Conjunctions

An A1–B1 ESL CONNECT grammar page with explanations and interactive practice.

A1–B1 Grammar · and · but · because · so · although · when · while

Explanation: conjunctions

Conjunctions are words that connect words, phrases or sentences. They help us explain reasons, contrast ideas, add information and show time.

1. Basic conjunctions: and, but, or

ConjunctionUseExample
andadds informationI like tea and coffee.
butshows contrastI like coffee, but I don’t like tea.
orshows choiceDo you want tea or coffee?

2. Because and so

Use because to give a reason. Use so to show a result.

ConjunctionMeaningExample
becausereasonI stayed home because I was tired.
soresultI was tired, so I stayed home.
Important difference:
Reason: I stayed home because I was tired.
Result: I was tired, so I stayed home.

3. Although

Use although to show contrast. It means “but this is surprising”.

Examples:
Although it was raining, we went for a walk.
She passed the test although it was difficult.
Although he was tired, he finished his homework.

4. When, while, before and after

Use these conjunctions to connect actions in time.

ConjunctionUseExample
whenat the time that something happensCall me when you arrive.
whileduring the time that something is happeningI listened to music while I was studying.
beforeearlier than another actionWash your hands before you eat.
afterlater than another actionI went to bed after I finished my homework.

5. If

Use if to talk about a condition.

Examples:
If it rains, I’ll stay home.
If you need help, call me.
I’ll go to the party if I finish my homework.

6. Sentence position

Some conjunctions can come at the beginning or in the middle of the sentence.

BeginningMiddle
Because I was tired, I stayed home.I stayed home because I was tired.
Although it was cold, we went out.We went out although it was cold.
When I arrived, I called my friend.I called my friend when I arrived.
Comma rule: When because, although, when, while, before, after, if start the sentence, we usually use a comma after the first part.
Example: Although it was late, we continued working.

And, but or or?

Choose the correct conjunction.

Because and so

Choose because for the reason and so for the result.

Rewrite the sentence

Answer: I was hungry, so I made a sandwich.

Although

Use although to show contrast.

Correct the mistake

Answer: Although it was late, we continued working.

When, while, before and after

Choose the best time conjunction.

If for conditions

Choose the correct conjunction or sentence.

B1 contrast practice

Choose the best conjunction. Think about meaning: reason, result, contrast, time or condition.

Correct the mistake

Answer: I stayed home because I was ill.
Answer: I was ill, so I stayed home.

Mixed practice

Choose the best answer.

Final writing practice