IV/

3. had seen.

4. have just arrived

5. was speaking

6. interested

7. to keep

8. play

9. stealing/ having stolen

10. making 

V/

1. He accused me of taking the money

2. He admitted to the police that he had stolen his bicycle/ He admitted stealing his bicycle.

3. He denied stealing the bike.

4. He apologized for being late.

5. John insisted on driving Linda to the airport.

6. Jim congratulated me on having pass/ passing the final exam.

7. Miss White thanked George for inviting her to dinner.

8. I warned Jack against playing with the matches. 

9. Mr Forest admitted having made a mistake in the calculations.

10. Sarah insisted on paying for the meal.

=>
1. He accused me of taking the money.
2. He admitted stealing his bicycle.
3. He denied stealing the bike.
4. He apolozied for being late.
5. John insisted on driving Linda to the airport.
6. Jim ccongratuated me on having passed the final exam.
7. Miss White thanked George for inviting her to dinner.
8. I warned Jack against playing with the matches.
9. Mr. Forest admitted having made a mistake in the calculations.
10. Sarah insited on paying for the meal.