1.      He                                 (not / spend) his holidays in Spain each year.

2.      Murat                              _ (visit) all his relatives before he joins the army.

3.      Emma                              _ (not go) to school when she was ill.

4.      We                                 (study) English at this school for 4 years.

5.      The earth                                  (circle) the sun once every 365 days.

6.      Peter                                 (read) a very interesting book yesterday.

7.      We                                (study) every lesson in the book so far.

8.      The farmers                                   (work) in the field now.

9.      He                                 (not listen) to music after school yesterday.

10.  My brother                                  (play) football at the moment.

11.  They went home after they                                    (finish) their work.

12.  My father _                               (buy) a new car after he saves enough money.

13.  They                                 (visit) their grandparents last summer?

14.  She said that she _                            _ (already, see) Dr. Rice.

15.  Phong                              _ (sleep) right now.

16.  Sarah                              _ (not enjoy) her piano lessons when she was seven.

: Find and correct the mistakes.

1.       While John was sleeping tonight, someone stole his car. last night

2.       Sammy waited for us when we got off the plane. was waiting

3.       While I was write the email, the computer suddenly went off. writing

4.         What you were doing when you broke your leg? were

5.       Last night at 6 PM, I had dinner. was having

6.       At midnight, we were still drive through the desert. driving

7.       Yesterday at this time, I was siting at my desk at work. sitting

8.       He constantly talked. He annoyed everyone.

9.       I didn't like them because they was always complaining.

I made a presentation in front of 500 people when the microphone stopped working.