1.      Sam remembers_______________ (TELL) about the party.

2.      Avoid _______________ (GIVE) your houseplants too much water.

3.      The mountain climbers are in danger of _______________ (KILL) by an avalanche.

4.      When I told her the news she seemed _______________ (SURPRISE).

5.      They don't enjoy_______________ at by other people. (LAUGH)

6.      I am expecting _______________ a pay-rise next month. (GIVE)

7.      She is hoping _______________ president. (ELECT)

8.      The carpet needs_______________ immediately. (WASH)

9.      John had agreed _______________ me in his office. (MEET)

10.  I hear you are preparing _______________ for Australia. (LEAVE)

Thì quá khứ đơn và quá khú hoàn thành: ( Chú ý: hành động trước và đã hoàn thành ta chia thì QKHT, còn hành xảy ra sau mình chia QKĐ)

1.      Before she moved to San Diego, she ________________ as a tourist guide. (WORK)

2.      By the time the police arrived, the burglar _____________ into my neighbour’s house. (BREAK)

3.      They ___________________ Google Classroom before, so I showed them how to use it. (NOT/ USE)

4.      The lights _____________ because we hadn’t paid the electricity bill. (GO OFF)

5.      We watched TV after our daughter __________ to bed. (GO)

6.      She _____________ Victoria once in 1993 before she moved there in 1996. (VISIT)

7.      By the time my wife _____________ home, I had done the laundry. (COME)

8.      I was sure that I _______ the woman before. (SEE)

C. Rút gọn mệnh đề: Reduce the following adverb clauses: Chủ động (Ving). Bị động (V3/ed)

1.      Before we went on holiday, we prepared everything carefully. (chủ động???)

=> Before going on holiday, we prepared everything carefully.

2.      Before it is baked, the cake should be carefully prepared. (bị động???)

=> Before baked, the cake should be carefully prepared.

3.      Although my brother is working in Tan Uyen, he comes home on every public holiday.

=> ____________________________________________________________

4.      You should negotiate a lot before you buy a new car.

=>____________________________________________________________

5.      When they are frightened, tortoises often hide inside their shells.

=> ____________________________________________________________

6.      Once they are purchased, the swimsuits cannot be returned.

=> ____________________________________________________________

7.      Although she was wearing a sweater, she still felt cold.

=> ____________________________________________________________

8.      Because he has a very important job, he is particularly well-paid.

=> ____________________________________________________________

   She will take the bus home if her mother________________ her up. (NOT/ PICK)          You won’t pass the examination if you _____________ more. (NOT/ STUDY)

  if the student _____________ harder, he won’t pass the examination. (NOT/ TRY)

       If he hadn’t wasted too much time, he_____________ in his examination. (NOT/ FAIL)

     If we leave for the meeting now, we ______________ there on time. (GO)                              Unless she _____________, her friends will be disappointed. (TURN UP)