1. My homework is long and difficult. I can’t finish it on time. 

=>If my homework weren't long and difficult, I could finish it on time.

2. Wake up or you will be late for school.

=> If you don't wake up, you will be late for school.

3. Nam isn’t tall enough to reach the fan on the wall.

=> Nam is too short to reach the fan on the wall.

4. Although the weather was cold, we went out for a walk.

=> Despite the cold weather, we went out for a walk.

5. Nga enjoys listening to traditional stories.

=>Nga is interested in listening to traditional stories.

1. If my home work is long and difficult , I will can't finish it on time

2. If you don't wake up, you will be late.

4. Despite the weather was cold, we went out for a walk

5. Nga is interested in listening to traditional stories