Choosing Appropriate Connectors — I can combine two clauses by choosing a connector that matches the intended relationship.

Have you ever read a paragraph where every sentence is short and choppy? "The dog ran. It was fast. It caught the ball." It works, but it feels robotic. Now imagine: "The dog ran quickly because it wanted to catch the ball." That single word — "because" — transforms two flat statements into a meaningful relationship. Humans have been searching for better ways to connect ideas in writing for thousands of years, and the tools we use to do it are called connectors (words or phrases that join clauses and signal the relationship between them).

Throughout history, one challenge has remained constant: how do you pick the right word to connect two ideas? Using "and" when you mean "but" confuses your reader. Using "therefore" when you mean "however" reverses your entire argument. This lesson will teach you to identify the relationship between two clauses and then choose the connector that expresses that relationship precisely.

Before you can choose the right connector, you need to understand a few building blocks. A clause is a group of words that contains a subject and a verb. An independent clause can stand alone as a sentence ("She studied hard"). A dependent clause cannot stand alone because it starts with a subordinating word ("because she studied hard"). When you combine clauses, you need a connector — and that connector must match the logical relationship you intend.

Look at the diagram above. Notice how the purple "Connector" box sits right in the middle between Clause A and Clause B. That position is important — a connector acts as a bridge, and the type of bridge it builds depends on the relationship you want to express. The four colored boxes below show the main categories of relationships. Addition means you're putting two equal ideas side by side. Contrast means one idea pushes against the other. Cause/Effect means one idea leads to the other. Condition/Time means one idea depends on or follows the other. At the bottom of the diagram, you can see the three families of connectors and the punctuation each one requires.

Family 1: Coordinating Conjunctions (FANBOYS)

The seven coordinating conjunctions are easy to remember with the acronym FANBOYS: For, And, Nor, But, Or, Yet, So. These join two independent clauses of equal importance. When you use a coordinating conjunction between two independent clauses, place a comma before the conjunction. For example: "I wanted pizza, but the restaurant was closed." Each FANBOYS word signals a specific relationship: "and" adds, "but" and "yet" contrast, "or" and "nor" present alternatives, "for" and "so" show cause and effect.

Family 2: Subordinating Conjunctions

Subordinating conjunctions create an unequal relationship between clauses. They turn one independent clause into a dependent clause that cannot stand alone. Common subordinating conjunctions include "because," "although," "if," "when," "since," "unless," "while," "after," and "before." When the dependent clause comes first, place a comma after it: "Although she was tired, she finished her homework." When the independent clause comes first, you usually do not need a comma: "She finished her homework although she was tired."

Family 3: Conjunctive Adverbs

Conjunctive adverbs (also called transitional words) connect two independent clauses while adding a specific nuance. Examples include "however," "therefore," "moreover," "nevertheless," "consequently," "furthermore," and "meanwhile." They feel more formal than coordinating conjunctions. The punctuation rule is distinctive: use a semicolon before the conjunctive adverb and a comma after it. For example: "She studied all night; therefore, she aced the exam." You can also split the clauses into two separate sentences: "She studied all night. Therefore, she aced the exam."

The key to choosing the right connector is first identifying the logical relationship between your two clauses. Below is a comprehensive reference chart that groups connectors by relationship type across all three families. Study this chart carefully — it is your go-to tool for writing clear, connected sentences.

Use this flowchart whenever you are unsure which connector to pick. The first question — "What is the relationship?" — is always the most important. Once you answer that, the connector options narrow down quickly, and you just need to decide which family (coordinating, subordinating, or conjunctive adverb) fits the tone and style of your writing.

Let's walk through a complete example. Suppose you're writing an essay about climate change and you have these two clauses:

Even strong writers sometimes choose the wrong connector or mishandle punctuation. The table below lists the most common errors, explains why they happen, and shows how to fix them. Recognizing these patterns in your own writing is one of the fastest ways to improve.

Once you master basic connectors, you'll discover that skilled writers use them to control pace, emphasis, and tone. In college-level writing and professional communication, connector choice is a strategic decision that shapes how your reader experiences your argument.

As you advance, you'll also learn about transitional phrases (multi-word connectors like "on the other hand," "in spite of this," and "as a result of") and correlative conjunctions (paired connectors like "either…or," "not only…but also," and "neither…nor"). These tools give you even more precision when expressing complex relationships between ideas. For now, mastering the three families in this lesson gives you a strong foundation for all future writing.