“Because” is a powerful conjunction used to express causality or reason between clauses. Mastering the use of “because” not only enhances clarity in communication but also enriches writing by linking ideas logically. This section explores how to effectively use “because” to connect sentences, helping you craft coherent and persuasive messages in English. By understanding the mechanics and nuances of this conjunction, ESL students can significantly improve both their spoken and written English.
Look at this sentence:
Alice went shopping.
Why?
She needed to buy bread.
Now let’s use because to put the two sentences together.
Alice went shopping because she needed to buy bread.
We can also say it another way:
Because she needed to buy bread, Alice went shopping.
Notice that when you use because at the beginning of the sentence, you must use a comma (,) after the first part (which is called the adverb clause.)
One more:
I like butterflies. Why? They are pretty.
I like butterflies because they are pretty.
Because they are pretty, I like butterflies.

Below are four questions designed to test your understanding of how to use “because” to connect sentences. Each question will require you to either correct a sentence using “because” or choose the right reason for a given action based on the context provided. This will help reinforce your learning and ensure you can apply “because” effectively in various scenarios.
Now You Try…Rewrite the sentences connecting them with because in the middle and at the beginning.
1. Tommy doesn’t like school. The other children tease him.
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2. Michael works hard. He needs to earn money.
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3. Jennifer eats chocolate everyday. She likes it.
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4. All of the employees will have a party. It’s the boss’ birthday.
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Answer Key:
- Tommy doesn’t like school because the other children tease him.; Because the other children tease him, Tommy doesn’t like school.
- Michael works hard because he needs to earn money.; Because he needs to earn money, Michael works hard.
- Jennifer eats chocolate everyday because she likes it.; Because she likes it, Jennifer eats chocolate everyday.
- All of the employees will have a party because it’s the boss’ birthday.; Because it’s the boss’ birthday, all of the employees will have a party.
Frequently Asked Questions About Using “because” to Connect Sentences
The basic structure involves two clauses: the main clause and the because-clause. The formula is: Main Clause + because + Because-Clause. For example, “I am studying because I have an exam tomorrow.”
Yes, “because” can start a sentence when the because-clause is providing a reason for something that is understood from the context. For example, “Because I was ill, I missed the meeting.”
A comma before “because” is used if the because-clause is not essential to the meaning of the sentence (non-restrictive). For instance, “I stopped eating sugar, because I want to be healthier,” suggests that the reason might be already known or is additional information.
Absolutely. “Because” can connect both simple and complex sentences to explain reasons. For example, “She was late because her alarm didn’t go off,” or “She was late because she had been working late and slept through her alarm.”
One common mistake is using “because” with two main clauses without separating them properly. Incorrect: “I was tired I went to bed early because I had a long day.” Correct: “I went to bed early because I had a long day.”
