Exercise : Chia dạng đúng của động từ trong ngoặc ở thì quá khứ đơn và quá khứ tiếp diễn.
1. WhenI (arrive) at this house, he still(sleep)
2. Thelight (go)...........out whilewe(have)...............dinner.
3. Bill(have)...........breakfast whenI (stop)...........at this house thismorning.
4. WhenI (come)..............to his house, he (work)
5. Aswe(cross)............the street,we(see)..............an accident.
6. Tom (see)................a serious accident whilehe(stand)..................at the busstop.
7. Thechildren (play).................football when theirmother (come)................backhome.
8. Thebell (ring)............whileTom(take)..................a bath.
9. He(sit)..................in a car whenI(see).................him.
10. We(clean)...............the house whenshe(come)..............yesterday.
1. arrived / was still sleeping
2. went / were having
3. was having / stopped
4. came / was working
5. were crossing / saw
6. saw / was standing
7. were playing / came
8. rang / was taking
9. was sitting / saw
10. were cleaning / came
Tham khảo
1. When I (arrive) ..arrived ..at this house, he was still sleeping(sleep) .
2. The light (go) ..went ...out while we (have) were having dinner.
3. Bill (have) ..was having..breakfast when I (stop) ..stopped ..at this house this morning.
4. She (wash) was washing....up when Vinh (arrive) ..arrived..at this house.
5. As we (cross) .were crossing...the Street, we (see) ...saw ..an accident.
6. Tom (see) ..saw....a serious accident while he (stand)was standing at the bus stop.
7. The children (play) ..were playing...football when their mother (come) ...came ... back home.
8. The bell (ring)rang while Tom (take) was taking a bath.
9. He (sit)was sitting in a car when I (see)saw him.
10. We (clean) were cleaning the house when she (come) came yesterday.