1. What a pity I can't help him do his homework.

→I wish i could  help him do his homework.

2." I'm leaving for Hanoi tomorrow" Jane said to me.
→ Jane said he was leaving for Hanoi the next day 

4.Let's go to the Brighton Language Center in the UK.
→What about going  to the Brighton Language Center in the UK ?

5."Can you speak English?" Susan asked me.
→ Susan asked me if i could speak English
12- It rains heavily today. I don't like it.

→ I wish it didn't rain heavily today
6. they often played soccer when they lived in the countryside.
→They used to play soccer when they lived in the countryside.