FANBOYS — for, and, nor, but, or, yet, so

What are FANBOYS?

FANBOYS is an acronym that helps you remember the seven coordinating conjunctions in English: For, And, Nor, But, Or, Yet, and So. These small words connect two independent clauses (complete sentences) together. An independent clause has a subject and a verb and can stand alone as a complete sentence. When you join two independent clauses with a coordinating conjunction, you create a compound sentence.

How to Use FANBOYS

The rule is simple: place a comma before the coordinating conjunction when it connects two independent clauses. This comma is very important—it prevents a common mistake called a comma splice. Each FANBOYS word has a different meaning and use. For example, 'and' adds information, 'but' shows contrast, and 'so' shows a result. Understanding the difference helps you choose the right conjunction for your sentence.

Why FANBOYS Matters

Coordinating conjunctions are essential for clear, professional writing. They help you avoid writing only simple, short sentences. By using FANBOYS correctly, you can show relationships between ideas and make your writing more interesting and sophisticated. This skill is important for B1 level English learners who want to write longer, more complex sentences.

FANBOYS Quick Reference

Letter	Conjunction	Meaning / Purpose	Example	Note
F	for	Gives a reason; means "because"	She rested, for she was tired.	Formal/literary; rarely used in everyday speech
A	and	Adds information; joins similar ideas	I like coffee and tea.	Most common coordinating conjunction
N	nor	Joins two negative alternatives	He doesn't eat meat, nor does he eat fish.	Often paired with "neither"; inverts subject-verb order in the second clause
B	but	Shows contrast or exception	It rained, but we still went hiking.	Signals an unexpected or opposing idea
O	or	Presents alternatives or choices	Do you want soup or salad?	Can also imply a warning or consequence
Y	yet	Shows contrast; similar to "but" with a sense of surprise	She works hard, yet she never complains.	Slightly more emphatic than "but"
S	so	Shows result or effect; means "therefore"	It was cold, so I wore a jacket.	The second clause is the outcome of the first

Formula

✔ Positive

Independent clause 1 + , + coordinating conjunction + independent clause 2

I love coffee, and my sister prefers tea.

Examples

I wanted to go to the beach, but it started to rain.

Showing contrast · Common in everyday speech

Would you like coffee or tea with your breakfast?

Offering choices · Question form

She didn't enjoy the movie, nor did her friends.

Negative connection · More formal

He worked the night shift, yet he still came to the meeting.

Showing unexpected contrast · Slightly formal

I was hungry, so I made a sandwich.

Showing cause and effect · Very common

You can study now, and we can go out later.

Adding information · Most frequent

When to use it

Writing longer sentences

Use FANBOYS to combine simple sentences and create more interesting, varied writing. This makes your essays and stories more professional.

"The weather was cold, yet the children played outside happily."

Speaking naturally

Native speakers use coordinating conjunctions constantly in conversation. Learning FANBOYS helps you sound more natural and fluent.

"I don't like horror movies, and I never watch them."

Understanding reading

When you read books, articles, and websites, FANBOYS appear frequently. Recognizing them helps you understand the relationships between ideas.

"The company was successful, so they expanded to new markets."

Showing reasons and results

Use 'for' or 'so' to explain why something happened or what the result was. This is essential for clear explanations.

"She studied biology, for she wanted to become a doctor."

Signal words

for and nor but or yet so

Common Mistakes

Wrong

I like pizza, I like pasta too.

✓

Correct

I like pizza, and I like pasta too.

Comma splice. You need a coordinating conjunction between independent clauses.

Wrong

She was tired but she finished the project.

✓

Correct

She was tired, but she finished the project.

Missing comma before 'but'. Always use a comma before FANBOYS when connecting independent clauses.

Wrong

He didn't go to the party, or she didn't go either.

✓

Correct

He didn't go to the party, nor did she.

'Nor' is the correct conjunction for negative statements. Use 'nor' instead of 'or' in negative contexts.

Wrong

We can walk so we can drive.

✓

Correct

We can walk, or we can drive.

'So' shows cause and effect, not choices. Use 'or' when offering alternatives.

KEY TAKEAWAYS

What to Remember

FANBOYS is an acronym for seven coordinating conjunctions: for, and, nor, but, or, yet, so.
Coordinating conjunctions connect two independent clauses to create a compound sentence.
Always place a comma before the coordinating conjunction when it joins independent clauses.
Do not use a coordinating conjunction to connect a dependent clause to an independent clause.
Each clause joined by a coordinating conjunction must have both a subject and a verb.

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What are conjunctions?

And — usage and examples