Complete the blanks with the Present Simple, Present Continuous, Simple Past, Past Continuous, Present Perfect, Past Perfect, Future Simple, Present Perfect Continuous of the verbs in the boxes below.

1.      I (do)                 research about Covid-19 pandemic’s effects these days.

2.      Andy and Army                        a DVD. They’re playing computer games.

3.  A: (1)                                            (you/ spend) any time doing homework last weekend?

B: Yeah, I did. I (2)                                 (do) listening tests last Saturday. It was quite difficult!

4.    U22 Vietnamese Football team                       (win) three goals against U22 Indonesia at SEA GAMES 30

Complete the blanks with the Present Simple, Present Continuous, Simple Past, Past Continuous, Present Perfect, Past Perfect, Future Simple, Present Perfect Continuous of the verbs in the boxes below.

1.      I (do)_________research about Covid-19 pandemic’s effects these days.

2. Andy and Army ________a DVD. They’re playing computer games.

3.  A: (1) _______   (you/ spend) any time doing homework last weekend?

B: Yeah, I did. I (2)                                 (do) listening tests last Saturday. It was quite difficult!

4.    U22 Vietnamese Football team ______(win) three goals against U22 Indonesia at SEA GAMES 30

Exercise 4: Past Perfect Continuous or Past Simple? Chia

động từ ở thì quá khứ hoàn thành tiếp diễn hoặc quá khứ

đơn. Chú ý thì của hai động từ trong một câu là khác nhau.

1. I (wait)____________________ for hours so I was really glad when the bus finally (arrive)____________________.

2. Why (be)____________________ the baby's face so dirty? He (eat)____________________ chocolate.

3. I (see)____________________ John yesterday, but he (run)____________________ so he was too tired to chat.

4. It (rain)____________________ and the pavement (be)____________________ covered with puddles.

5. When I (arrive)____________________ it was clear she (work)____________________. There were papers all over the floor and books everywhere.

6. They (study)____________________ all day so when we (meet)____________________ they were exhausted.

7. The boss (talk)____________________ to clients on Skype for hours so she (want)____________________ a break.

8. I (drink)____________________ coffee all morning. By lunchtime, I

(feel)____________________ really strange!

9. Lucy (hope)____________________ for a new car, so she was really pleased when she (get)____________________ one.

10. I (dream)____________________ about a holiday in Greece. I couldn't believe it when my husband (book)____________________ one as a surprise!

III. Transformation

(Simple past vs Past perfect)

      1. Alex phoned the police. He saw the accident.

           → As soon as ..........................................................................................................................

      2. The police arrived so late, so the robbers escaped.

           → By the time ........................................................................................................................

      3. I turned off the lights. After that I left the room.

           → Before ..................................................................................................................................

      4. Everyone went home and afterwards this message arrived.

           → After ......................................................................................................................................

      5. Michael worked as a physicist after graduating from the university.

           → After ......................................................................................................................................

      6. He left school and then joined the army.

           → After ......................................................................................................................................

      7. Mary finished her homework and then went to bed.

           → Before ..................................................................................................................................

(Áp dụng những thì khác)

      8. The frying fan caught on fire. I was making dinner at that time.

           → While ....................................................................................................................................

      10. The flood raced down the valley and destroyed everything on its path

           → When ....................................................................................................................................

      9. I talked to Laura. This made me feel less nervous.

           → Since .....................................................................................................................................

      11. Ms. Johnson will return your call. She’ll have some free time.

           → As soon as ..........................................................................................................................

      12. Susan sometimes feels nervous. She chews her nails.

           → Whenever ...........................................................................................................................

III. Transformation

(Simple past vs Past perfect)

      1. Alex phoned the police. He saw the accident.

           → As soon as ..........................................................................................................................

      2. The police arrived so late, so the robbers escaped.

           → By the time ........................................................................................................................

      3. I turned off the lights. After that I left the room.

           → Before ..................................................................................................................................

      4. Everyone went home and afterwards this message arrived.

           → After ......................................................................................................................................

      5. Michael worked as a physicist after graduating from the university.

           → After ......................................................................................................................................

      6. He left school and then joined the army.

           → After ......................................................................................................................................

      7. Mary finished her homework and then went to bed.

           → Before ..................................................................................................................................

(Áp dụng những thì khác)

      8. The frying fan caught on fire. I was making dinner at that time.

           → While ....................................................................................................................................

      10. The flood raced down the valley and destroyed everything on its path

           → When ....................................................................................................................................

      9. I talked to Laura. This made me feel less nervous.

           → Since .....................................................................................................................................

      11. Ms. Johnson will return your call. She’ll have some free time.

           → As soon as ..........................................................................................................................

      12. Susan sometimes feels nervous. She chews her nails.

           → Whenever ...........................................................................................................................

III. Transformation

(Simple past vs Past perfect)

      1. Alex phoned the police. He saw the accident.

           → As soon as ..........................................................................................................................

      2. The police arrived so late, so the robbers escaped.

           → By the time ........................................................................................................................

      3. I turned off the lights. After that I left the room.

           → Before ..................................................................................................................................

      4. Everyone went home and afterwards this message arrived.

           → After ......................................................................................................................................

      5. Michael worked as a physicist after graduating from the university.

           → After ......................................................................................................................................

      6. He left school and then joined the army.

           → After ......................................................................................................................................

      7. Mary finished her homework and then went to bed.

           → Before ..................................................................................................................................

(Áp dụng những thì khác)

      8. The frying fan caught on fire. I was making dinner at that time.

           → While ....................................................................................................................................

      10. The flood raced down the valley and destroyed everything on its path

           → When ....................................................................................................................................

      9. I talked to Laura. This made me feel less nervous.

           → Since .....................................................................................................................................

      11. Ms. Johnson will return your call. She’ll have some free time.

           → As soon as ..........................................................................................................................

      12. Susan sometimes feels nervous. She chews her nails.

           → Whenever ...........................................................................................................................

mong mng giúp ạ 

Complete the sentence with the past simple or past perfect form of the verb in brackets.

1. As soon as I.... (download) the document, I knew I .......(make) a mistake.

2.By the time the firemen.... (arrive), the fire ......(destroy)three houses.

3.When I last.... (speak) to her, she still .....(not finish)her assignment

4. She said that she (already/see)……. Dr. Rice

5.After they (go) …………, I (sit) ….…….. down and (watch)………….TV