All questions
Question 1
Which option correctly transforms the statement 'Elle a un chien' into a yes/no question using inversion?
- A-t-elle un chien? (correct answer)
- A-elle un chien?
- Elle a-t-elle un chien?
- Est-ce qu'elle a-t-elle un chien?
Explanation: When forming a yes/no question in French using inversion, you flip the subject pronoun and the conjugated verb, connecting them with a hyphen. The tricky part comes when the verb ends in a vowel and the pronoun begins with one — French adds a -t- between them purely for pronunciation reasons.
Here, the base statement is Elle a un chien. The verb a (from avoir) ends in a vowel, and the pronoun elle begins with one. So when you invert them, you must insert -t- to avoid an awkward vowel clash: A-t-elle un chien? — which is exactly what option A gives you. The structure is: verb + -t- + subject pronoun + rest of sentence, followed by a question mark.
Option B, A-elle un chien?, skips the required -t- entirely, leaving two vowel sounds colliding — this is a common mistake students make when they know inversion but forget the liaison rule. Option C, Elle a-t-elle un chien?, keeps the original subject Elle at the front while also inverting — this is actually a structure used for noun subjects (e.g., Marie a-t-elle un chien?), but when your subject is already a pronoun, you drop it from the front and only use it after the verb. Option D mixes est-ce que (a separate question structure) with inversion simultaneously — you never combine both methods in the same question.
As a study tip, remember: inversion + vowel clash = -t-. Whenever a, va, or similar vowel-ending verbs meet il/elle/on, that silent -t- is non-negotiable.
Question 2
Which sentence correctly uses 'est-ce que' to form the question 'Are they eating now?'
- Est-ce qu'ils mangent maintenant? (correct answer)
- Est-ce que ils mangent maintenant?
- Est-ce qu'ils mangent maintenant.
- Est-ce que mangent-ils maintenant?
Explanation: When forming yes/no questions in French using est-ce que, two grammatical rules are always in play: elision and punctuation. Est-ce que is a fixed interrogative phrase that attaches directly before the subject and verb — no inversion required. The only transformation that happens is with the vowel: when the word following est-ce que begins with a vowel sound, the e in que drops and is replaced by an apostrophe, forming qu'. This is called elision, and it's mandatory in French, not optional.
Choice A is correct because ils begins with a vowel, so que properly elides to qu', giving Est-ce qu'ils mangent maintenant? — complete with a question mark at the end.
Choice B makes the most common beginner mistake: writing Est-ce que ils without elision. Because ils starts with a vowel, keeping the full que before it violates French phonetic rules. Elision is not a stylistic choice — it's required.
Choice C uses the correct phrasing Est-ce qu'ils mangent maintenant but ends with a period instead of a question mark. Since this is an interrogative sentence, a period makes it grammatically and logically wrong — it would read as a statement, not a question.
Choice D incorrectly combines est-ce que with subject-verb inversion (mangent-ils). These are two separate question-formation methods in French; you use one or the other, never both together.
A quick tip to remember: est-ce que = no inversion needed, but always check for elision before vowels, and never forget the question mark!
Question 3
Which of the following sentences is punctuated correctly as a yes/no question in French?
- Est-ce que tu parles français.
- Tu parles français? (correct answer)
- Tu parles français,
- Est-ce que tu parles français,
Explanation: When forming yes/no questions in French, punctuation is just as important as word order — and this question tests whether you know that a question must end with a question mark (?).
In French, there are several ways to form yes/no questions, and one of the simplest is using rising intonation: you keep the same word order as a statement but raise your voice at the end — and in writing, you signal this with a question mark. That's exactly what B ("Tu parles français?") does correctly. The sentence uses statement word order with a question mark at the end, making it a perfectly valid and natural spoken/written question in French.
A is wrong despite using est-ce que, which is a legitimate question structure. The fatal flaw is the period at the end — a period signals a statement, not a question. No matter how your sentence is structured, ending with a period means it's not a question.
C ends with a comma, which is neither a question mark nor a period — commas signal a pause within a sentence, not its conclusion. "Tu parles français," is grammatically incomplete and incorrectly punctuated no matter the intent.
D combines est-ce que (correct question phrasing) with a comma at the end — the same punctuation error as C. A comma cannot close a question.
The key takeaway: in French, a yes/no question must end with a question mark, regardless of whether you use est-ce que, inversion, or rising intonation. Always check the final punctuation first — it's a quick way to eliminate wrong answers.
Question 4
A student writes: 'Vous travaillez-vous ici?' to mean 'Do you work here?' What is the main error in this sentence?
- The subject pronoun 'vous' appears twice — once before the verb and once after, which is incorrect inversion form. (correct answer)
- The verb 'travaillez' is conjugated incorrectly for the subject 'vous' in inversion questions.
- A hyphen is never used between a verb and the pronoun 'vous' in any question form.
- The sentence is missing 'est-ce que' at the beginning, which is required for all French questions.
Explanation: When forming questions in French using inversion, you swap the subject pronoun and the verb, connecting them with a hyphen. The key rule is that the subject pronoun appears only once — after the verb — not in both positions.
In "Vous travaillez-vous ici?", the pronoun vous appears before the verb AND after it, which is the core error. Correct inversion would simply be "Travaillez-vous ici?" — the subject pronoun moves to after the verb, and the position before the verb is left empty. Answer A correctly identifies this double-pronoun problem as the main error.
As for the distractors: B is incorrect because travaillez is actually the right conjugation for vous — the verb form itself is fine, so there's no conjugation error to find. C is wrong because hyphens absolutely are used between verbs and vous in inversion questions; "Travaillez-vous?" is a perfectly standard, correct construction. D reflects a common misconception — est-ce que is one valid way to form questions, but it's completely optional. Inversion is an equally valid and common alternative; neither method is "required."
A useful tip: when you see an inversion question in French, mentally check that the subject pronoun appears exactly once, directly after the verb with a hyphen. If you spot the pronoun floating in front of the verb and after it, that's your red flag. Think of inversion as moving the pronoun — not copying it. This single rule will help you avoid the trap that answer A describes.
Question 5
Which sentence contains a punctuation or structural error that makes it an incorrectly formed French question?
- Est-ce que vous aimez le café?
- Aimez-vous le café?
- Vous aimez le café?
- Est-ce que aimez-vous le café? (correct answer)
Explanation: When forming questions in French, you need to recognize that each question structure has its own grammatical rules — and mixing two different structures creates an error. This question tests whether you can identify which formation breaks those rules.
French has three standard ways to ask a yes/no question. First, you can use est-ce que followed by normal subject-verb order. Second, you can use inversion, where the verb comes before the subject pronoun, connected by a hyphen. Third, you can simply use a declarative sentence with a rising intonation (written the same as a statement, just with a question mark).
Option D — Est-ce que aimez-vous le café? — is the incorrect formation because it illegally combines two separate question structures. Est-ce que already signals a question and requires normal subject-verb order after it (Est-ce que vous aimez), but D then adds inversion (aimez-vous) on top of it. You cannot stack both structures together — it's redundant and grammatically wrong in French.
Choice A (Est-ce que vous aimez le café?) is perfectly correct — est-ce que is followed by standard subject-verb order. Choice B (Aimez-vous le café?) is correct inversion, with the verb before the subject and a hyphen. Choice C (Vous aimez le café?) is the informal rising-intonation method — completely valid in French conversation.
A helpful rule to remember: est-ce que and inversion are mutually exclusive — use one or the other, never both. When you spot a question combining them, that's your error.
Question 6
A student is writing a formal letter in French and wants to ask 'When do you leave?' Which question form is most appropriate for formal written French, and is it punctuated correctly?
- Vous partez quand? — appropriate for formal writing and correctly punctuated.
- Quand est-ce que vous partez? — appropriate for formal writing and correctly punctuated.
- Quand vous partez? — appropriate for formal writing and correctly punctuated.
- Quand partez-vous? — appropriate for formal writing and correctly punctuated. (correct answer)
Explanation: When writing formal French, especially in professional or academic contexts, the register of your question structure matters just as much as your vocabulary. French has three main ways to form questions, and each carries a different level of formality.
The most formal construction uses inversion — placing the verb before the subject pronoun and connecting them with a hyphen. This is the structure in D: Quand partez-vous? The question word leads, the verb follows, then the hyphenated subject pronoun. This construction is the standard for formal written French, such as business letters, academic writing, or official correspondence, and it is correctly punctuated with a question mark at the end — making D the correct answer.
Now let's look at why the others fall short. A (Vous partez quand?) places the question word at the end, which is a hallmark of casual, spoken French — perfectly natural in conversation, but inappropriate for a formal letter. B (Quand est-ce que vous partez?) uses the est-ce que construction, which is grammatically correct and neutral in register, but it leans toward everyday spoken or informal written French rather than the elevated formality expected in professional correspondence. It wouldn't be wrong in many contexts, but it's not the most appropriate for formal writing. C (Quand vous partez?) is simply incorrect — it drops the inversion and the est-ce que without any compensating structure, making it grammatically unacceptable in standard French.
A helpful rule of thumb: in formal French writing, default to inversion. If you see a question with est-ce que or a trailing question word, think "spoken French."
Question 7
Read the following exchange and identify which student response uses correct question punctuation and form:
Teacher: 'Ask me what time it is using the simplest spoken French question form.'
- Il est quelle heure.
- Quelle heure est-il?
- C'est quelle heure? (correct answer)
- Quelle heure est-ce qu'il est?
Explanation: When asking questions in French, you have three main registers to choose from: inversion (formal), est-ce que (neutral), and intonation-only (informal/spoken). The teacher specifically asked for the simplest spoken form, which is your key clue here.
In casual spoken French, you can turn any statement into a question simply by raising your intonation at the end and, for time, placing quelle heure at the end of a normal sentence structure. That's exactly what C) C'est quelle heure? does — it uses the everyday expression c'est (it is) with quelle heure tacked on, making it the most natural, colloquial way a French speaker would casually ask the time. This is the correct answer.
A) Il est quelle heure. ends with a period, not a question mark — punctuation matters! Without the question mark, this is written as a statement, not a question. Even if it were punctuated correctly, it would be a less natural spoken form than C.
B) Quelle heure est-il? uses inversion (est-il), which is grammatically correct but formal and written French — the opposite of what the teacher requested. You'd see this in essays or formal writing, not casual conversation.
D) Quelle heure est-ce qu'il est? uses the est-ce que construction, which is grammatically valid and more neutral, but it's notably wordy and awkward. It's not considered simple or natural for spoken French.
As a study tip: always match your question form to the register requested — inversion for formal, est-ce que for neutral, and intonation/word order for informal spoken French.
Question 8
A student wants to ask 'Where does he live?' using inversion. Which option correctly forms this question?
- Où il habite-t-il?
- Où habite-il?
- Où habite-t-il? (correct answer)
- Où est-ce qu'habite-t-il?
Explanation: When forming a question with inversion in French, you're flipping the subject pronoun and verb, then connecting them with a hyphen. The key rule is that the subject pronoun disappears from its normal position and attaches directly to the verb. For third-person singular verbs ending in a vowel, you must also insert -t- between the verb and pronoun to make pronunciation smoother — this is called a "euphonic t."
So to ask "Where does he live?" with inversion, you take the verb habite and the pronoun il, join them as habite-t-il, and place the question word Où at the front. That gives you Où habite-t-il? — which is option C, the correct answer.
Option A, Où il habite-t-il?, is wrong because it keeps il in its normal subject position AND adds it again after the verb. This doubles the pronoun, which is not how inversion works — the subject must move, not duplicate.
Option B, Où habite-il?, correctly moves the verb before the pronoun but forgets the required -t- insertion. Since habite ends in an -e (a vowel) and il begins with a vowel, the -t- is grammatically required to avoid a vowel clash.
Option D, Où est-ce qu'habite-t-il?, mixes two different question-forming strategies. Est-ce que and inversion are separate methods — you use one or the other, never both together.
Study tip: Memorize this pattern: vowel-ending verb + il/elle/on = always needs -t- (e.g., parle-t-il, habite-t-on). Watch for this on any inversion question.
Question 9
Which of the following correctly forms the question 'Does Marie work here?' using inversion?
- Travaille-Marie ici?
- Marie travaille-t-elle ici? (correct answer)
- Marie travaille-elle ici?
- Travaille-t-Marie ici?
Explanation: When forming a yes/no question in French using inversion, you don't simply flip the subject and verb — you need to follow specific rules depending on whether the subject is a pronoun or a noun.
When the subject is a noun (like Marie), French requires a two-step process: keep the noun at the front, then invert the verb with a corresponding subject pronoun, connecting them with a hyphen. For a third-person singular subject, that pronoun is elle. Additionally, when the verb ends in a vowel and the pronoun begins with a vowel, you must insert -t- between them to ease pronunciation. Since travaille ends in -e and elle begins with e-, the linking -t- is required, giving you: Marie travaille-t-elle ici? — which makes B the correct answer.
Looking at the wrong choices: A (Travaille-Marie ici?) incorrectly inverts the noun directly with the verb, as if Marie were a pronoun — French grammar doesn't allow noun-verb inversion. C (Marie travaille-elle ici?) is on the right track structurally but omits the required -t- liaison between the vowel-ending verb and the vowel-beginning pronoun, making it phonetically and grammatically incorrect. D (Travaille-t-Marie ici?) misplaces the -t- and again attempts to invert a noun directly, combining two different errors at once.
A helpful rule to memorize: noun + verb + -t-/- + pronoun + ? is the inversion formula for noun subjects. Watch for the vowel-vowel collision — that's almost always where the -t- is needed.
Question 10
A student writes 'Pourquoi est-ce qu'il ne vient pas?' to ask 'Why isn't he coming?' Which statement about this sentence is accurate?
- The sentence is incorrect because 'est-ce que' cannot be used with negation in a question.
- The sentence is incorrect because 'pourquoi' must always be followed directly by inversion, not 'est-ce que.'
- The sentence is correct in both structure and punctuation as written. (correct answer)
- The sentence is incorrect because 'est-ce que' should not elide to 'est-ce qu'' here; elision only applies before words beginning with a consonant.
Explanation: When forming questions in French, you have several tools at your disposal: inversion, est-ce que, and question words like pourquoi. The key insight is that these tools can be combined flexibly — including with negation — as long as you follow the rules for each.
The sentence Pourquoi est-ce qu'il ne vient pas? is built correctly on every level. Pourquoi opens the question, est-ce que (elided to est-ce qu' before the vowel in il) introduces the clause without requiring inversion, and the negation ne...pas wraps around the verb vient exactly as it would in a statement. The question mark closes it properly. This is a perfectly grammatical French question, making C the correct answer.
A is wrong because est-ce que works freely with negation — there is no such rule banning the combination. Negation operates on the verb phrase regardless of the question structure used. B reflects a common misconception: pourquoi does not require inversion. While inversion is possible (Pourquoi ne vient-il pas?), est-ce que is an equally valid and widely accepted alternative. Neither form is mandatory. D gets elision exactly backwards — elision occurs before words beginning with a vowel or silent h, not before consonants. Since il starts with a vowel, est-ce que correctly elides to est-ce qu'il.
As a study tip, remember that est-ce que is the most flexible question-forming tool in French — it pairs with any question word and works with negation, making it a reliable go-to structure you should always feel confident using.