Ответ:

1) He has already did this task.

2) Have you ever rode a horse?

3) How long she has been talking on the phone with her sister?

4) They have been packing their suitcases since yesterday.

5) She hasn't came home yet.

6) Our friends have been traveling for two months.

7) What books have you read lately?

8) How many invitations has he sent so far?

9) I have never ate Thai food before.

10) I have been learning Chinese for two years.

11) I have been watering the plants in the garden.

12) Have you seen my slippers? I have been looking for them since yesterday.