1. Primary Longman Elect
3B Chapter 4 so

2. so
What did you do last weekend?
I was bored so I watched a cartoon.

3. so I studied for the exam last night.
I was tired so I didn’t study for the exam last night.

4. so We use so to show results. We put the result after so.
e.g. I was bored so I watched TV.
This is the reason.
This is the result.
Do not confuse so with because. We use because to show reasons. We put the reason after because.
e.g. I watched TV because I was bored.
Result
Reason

5. Key structure I was tired so I didn’t study for the exam. Reason
Result
I was tired so
I didn’t study for the exam.
Don’t change the action words after didn’t.

6. Practice Choose the correct answer.so
because
I was bored __________ I listened to music at the weekend. so

7. Practice Choose the correct answer.so
because
I didn’t play football __________ I was tired yesterday.
because

8. Practice Choose the correct answer.so
because
I was sick __________ I didn’t go to school yesterday. so

9. Practice Choose the correct answer.so
because
I didn’t study for the Chinese Test __________ I was tired last night.
because

10. Practice Choose the correct answer. so
because
Mum was busy yesterday __________ I looked after my baby sister. so

11. The End