Sure! Here are the correct forms for the sentences:

### IV. Give the correct form:
1. He stole his mom's money yesterday. He feels guilty about **stealing** the money.
2. Celebrities don’t like to have their pictures taken. They avoid **photographing**.
3. This mail **needs to be sent** immediately. Will you send it for me?
4. I thought she was sick, but I’m wrong because she seems to **recover** very quickly.

### V. Correct mistakes:
1. RIGHT
2. Michael explained that he couldn't come to the party because he was working that evening.
3. RIGHT
4. I asked to see his identification before I let him go into the house.
5. Students are recommended **to read** the following books.
6. Simon is already a good tennis player, but he **acknowledges** that he still has a lot to learn.
7. She offered to take the children **to**.
8. The weather was extremely bad and this **prevented us from** going out.
9. I apologized to them for keeping them waiting so long.
10. Liz wanted to know if I had any photos of our holiday.
11. He advised **me** to leave at 5:30 in the morning.
12. Mick complained to the shop assistant that the computer he’d bought was faulty.
13. I asked him how I could get to the station, and he told me.
14. I asked him how to get to the station, and he told me.
15. I suggested **that he should** go home early.

Feel free to ask if you need more help!