Ответ:

Задание 3.

1. talking

2. to tell

3. Swimming

4. to learn

5. dancing

6. to buy

7. closing

8. to spend

Задание 4.

1. really

2. really

3. incredibly

4. very

5. bit

6. really

Задание 5.

1. go

2. play

3. go

4. play

5. do

6. play