Exercise 2: Put the verb in the past simple tense or the past continuous. 1. When I (arrive)_______ at this house, he still (sleep)_______ . 2. The light (go)_______ out while we (have)_______ dinner. 3. Bill (have)_______breakfast when I (stop)_______ at this house this morning. 4. She (wash)_______up when Vinh (arrive) at this house. 5. As we (cross)_______ the Street, we (see)_______an accident. 6. Tom (see)_______a serious accident while he (stand)_______at the bus stop. 7. The children (play)_______ football when their mother (come)_______back home. 8. The bell (ring)_______ while Tom (take)________ a bath. 9. He (sit)_______ in a car when I (see)_______ him. 10. We (clean)_______ the house when she (come)_______ yesterday.

` 1. ` arrived/ was sleeping

` => ` dấu hiệu nhận biết : when hay dùng cho quá khứ

` => ` cấu trúc : S +V2/ed  + O

` => ` cấu trúc : S + was/were + V_ing

` 2. ` went/ were having

` => ` cấu trúc : S + V2/ed + O

` => ` while là quá khứ tiếp diễn

` => ` cấu trúc : S + was/were + V_ing

` 3. ` had/ was stoping

` => ` cấu trúc : S + V2/ed + O

` => ` at this house this morning là quá khứ tiếp diễn

` => ` cấu trúc : S + was/were + V_ing

` 4. ` was washing/arrived 

 ` => ` cấu trúc : S + V2/ed + O

` => ` when là quá khứ

` => ` cấu trúc : S + was/were + V_ing

` 5. ` were crossing/ saw

` => ` cấu trúc : S + was/were + V_ing

` => ` cấu trúc : S + V2/ed + O

` 6. `saw/ was standing

` => ` cấu trúc : S + V2/ed + O

` => ` while là quá khứ tiếp diễn

` => `cấu trúc : S + was/were + V_ing

` 7. `were playing/ came

` => ` when là quá khứ

` => ` cấu trúc : S + V2/ed + O

` => `cấu trúc : S + was/were + V_ing

` 8. `rang /was taking

` => ` while là quá khứ tiếp diễn

` => `cấu trúc : S + was/were + V_ing

` => `cấu trúc : S + V2/ed + O

` 9. `was sitting/saw

` => ` when là quá khứ

` => `cấu trúc : S + was/were + V_ing

` => `cấu trúc : S + V2/ed + O

` 10. `were cleaning/came

` => ` when là quá khứ

` => `cấu trúc : S + was/were + V_ing

` => `cấu trúc : S + V2/ed + O

` color[pink][#Taki] `