Ex4:

1. If I had enough money, I would buy it.

2. If I had time, I would make my bed.

3. If he liked films, he would go to the cinema.

4. If i did my homework, my teacher wouldn't always get angry with me.

5. If I had a car, I wouldn't have to take the bus.

Ex5:

1. See - will tell

2. Slept - would improve

3. Wanted - would ring up

4. Need - will hep

5. Would understand - spoke

6. Would make - took

7. Catch - will arrive

8. Doesn't know - will look

9. Would get - walked

10. Thought - would say

Ex5:

1. see/will tell

2. slept/would improve

3. wanted/would ring up

4. need/will help

5. would understand/spoke

6. would make/took

7. catch/will arrive

8. doesn't know/will look

9. would get/walked

10. thought/would say