UNIT 5: INVENTIONS
Bài 1: Put the verbs into present perfect tense.
1. have been
6. has bought
2. have owned
7. has broken
3. have had
8. have had
4. have seen
9. have known
5. have checked
10. has worked
Bài 2: Put the verbs into the correct tense (simple past or present perfect).
1. didn't have
2. came
3. was
4. visited
5. have never been
6. have just cleaned
Bài 3: Choose the best answer in the bracket.
1. has never seen
6. dug
2. for
7. has just landed
3. went
8. I've wanted
4. Have you already
9. hasn't decided
5. got
10. bought
Bài 4: Identify and correct mistakes in the following sentences.
1. Did you ever eat
Have you ever eaten
2. since
for
3. Have you called
Did you call
4. Did you do
Have you done
5. for
since
Bài 5: Complete the text with the correct form of the verbs (Past Simple or pr Perfect Simple)
1. left
2. haven't found
3. have made
4. have won
5. won
Bài 6: Choose the best answer to complete the sentence.
1 . c
Remember + Ving: nhớ đã làm gì (ở quá khứ)
2. D
Avoid +Ving: tránh làm gì
3. B
Agree to V: đồng ý làm gì
4. D
Expect to V: mong đợi/ mong chờ làm gì đó
Expect to be + PP: mong chờ được làm gì đó
5. D
Finish + Ving: hoàn thành làm gì đó
6. C
Forget + to V: quên làm gì (sự việc chưa xảy ra)
'Don't forget to v.."dùng để nhắc nhở ai đó làm gì đó
Bài 7: Choose the best answer in the bracket to complete the sentence.
1. to drink (Stop to V: dừng lại để làm gì)
2. talking (Stop + Ving: ngừng làm gì đó)
3. to tell (Regret + to V: lấy làm tiếc khi làm gì; Out of stock: hết hàng)
4. spending (Regret + Ving: hối hận đã làm gì đó)
5. to check (Remember to V: nhớ để làm gì đó (chưa xảy ra))
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