EXERCISES
1. I ______ (finish) my homework already.
2. They ______ (go) to Paris last summer.
3. She ______ (not/see) him since the party.
4. We ______ (study) when the lights went out.
5. He ______ (never/eat) Japanese food before.
6. I ______ (meet) him once in 2022.
7. When I got home, they ______ (already/leave).
8. While I ______ (read), my phone rang.
9. He ______ (work) here for ten years.
10.     My parents ______ (visit) Đà Lạt two years ago.
11.     She ______ (break) her leg while she ______ (ski).
12.     We ______ (not/hear) from him for months.
13.     I ______ (not/understand) what she meant.
14.     He ______ (fall) asleep while he ______ (watch) TV.
15.     They ______ (live) in that house since 2015.
16.     We ______ (already/see) that movie twice.
17.     The train ______ (leave) before we arrived.
18.     You ever ______ (be) to Sa Pa?
19.     While she ______ (cook), he ______ (clean) the floor.
20.     They ______ (not/come) to the meeting yesterday.
21.     The children ______ (play) outside when it started to rain.
22.     I ______ (just/receive) your email.
23.     She ______ (not/visit) her grandma last weekend.
24.     By the time I woke up, my dad ______ (go) to work.
25.     I ______ (lose) my wallet yesterday.
26.     She ______ (cry) because she ______ (fail) the test.
27.     He ______ (never/see) snow before last winter.
28.     They ______ (already/finish) dinner when I arrived.
29.     The teacher ______ (explain) the lesson before the test
   began.
30.     What ______ you ______ (do) when the phone rang?
31.     I ______ (live) in this city all my life.
32.       We ______ (wait) for over an hour before the bus came.
33.       He ______ (not/be) at school yesterday.
34.       She ______ (clean) the room when I arrived.
35.       They ______ (be) friends since childhood.
36.       When I met her, I ______ (not/know) her name.
37.       He ______ (watch) a movie when the lights went out.
38.       We ______ (have) dinner by the time she called.
39.       I ______ (read) your message just now.
40.       The kids ______ (sleep) when their mom got home.
41.       She ______ (miss) the train because she ______ (wake up)
  late.
42.       He ______ (already/pack) his suitcase when we arrived.
43.       I ______ (not/see) her in a long time.
44.       While I ______ (walk) home, it suddenly ______ (rain).
45.       My parents ______ (go) to Japan last year.
46.       We ______ (never/be) late for school before.
47.       When I got to the station, the train ______ (just/leave).
48.       He ______ (have) a car accident last week.
49.       You ______ (ever/meet) a famous person?
50.       The dog ______ (bark) all night yesterday.