I. Complete the sentences, using the correct form of the verbs in brackets.
1. I _______________ (study) at Le Hong Phong high school from 1998 to 2001.
2. We _____________ (not see) Jack for a long time. It’s twenty years since we last ___________ (see) him.
3. My brother _______________ (work) as a travel agent for ten years now.
4. The children _______________ (play) happily in the park when I found them.
5. ______________ (Bill / arrive) home yet? ~ Yes. He ______________ (arrive) three hours ago.
6. I _______________ (like) cowboy movie since I was a child.
7. I’ll come and see you before I _______________ (leave) for the United States.
8. We _______________ (have) four tests so far this semester.
9. As soon as Martina saw the fire, she _______________ (phone) the fire department.
10. I saw Lisa at the station when I ____________ (go) to work this morning but she ___________ (not / see) me.
11. I _______________ (know) Jim Bates since he _______________ (be) ten years old.
12. He will take a dog out for a walk as soon as he _______________ (finish) his work.
13. We _______________ (not see) Marta recently. The last time we _______________ (meet) her was in April.
14. Kathy usually _____________ (sit) in the front row during class, but today she _____________ (sit) in the last row.
15. A: Look! It _______________ (snow).
B: It’s beautiful! This is the first time I _______________ (ever / see) snow.
It _______________ (not snow) in my country.
16. I (know) _______________ her for a very long time.
17. We (not play) _______________ football together since last summer.
18. Her husband (not come) _______________ home yet. He never (come) _______________ home before midnight and last night he (not get) _______________ in till two o’clock.
19. Listen! I think someone (knock) _______________ at the door.
20. While they (sleep) _______________ soundly, a stranger (enter) _______________ the room and (steal) _______________ all their valuable things.
21. “Please, can I have my book back?” “Oh, dear. I (not finish) _______________ it.”
22. My youngest brother (get) _______________ a new job a week ago.
23. Old George (not be) _______________ here for ages.
24. Let’s go to a café when the concert (be) _______________ over.
25. When I (meet) _______________ them in the streets yesterday, they (go) _______________ to the cinema.
1 .
A SCARY DAY AT SCHOOL
The sun shine ( shine ) when I left ( leave ) the house . Black clouds come ( come ) when I looked ( look ) at the sky . My teacher stand ( stand ) at the gate when I arrived ( arrive ) at school . We have ( have ) an English class when we heard ( hear ) a loud noise . I look ( look ) out of the window when I saw ( see ) a big tree fall down . We eat ( eat ) lunch when the wind and the storm suddenly stopped ( stop ) .
2.
+) When + clause relates an activity that occurs at the same time as or slightly before the activity in the main clause. The clause following when may express (1) a short interruption, or (2) a response to the activity in the first clause. " X occurs, Y results." Typically, the verb in the when-clause is non-progressive and expresses an activity with shorter duration.
+) While + clause relates an activity that occurs at the same-time as (simultaneously with) the activity in the main clause. The clause following while includes a verb with a meaning and/or a tense that expresses duration. The while-clause often expresses a background activity to the focus-activity in the main clause.