Rewrite the sentences:

1. He has been her when he was 12.

-> he started............................

2. Lan hasn't written to me for a month.

-> Lan didn't..........................

3. My father started to give up smoking last year.

-> My father has......................

4. When did you start to listen to classical music?

-> How long................

5. I last saw her 10 years ago.

-> I haven't......................

6. How long have you bought this car?

-> When........................

Help me

Rewrite the sentences:

1. I started learning English three years ago.

->I have ................................

2. I have never met him for three years.

-> I last............................

3. We have studied French for 4 years.

-> We started.....................

4. I haven't seen her for a long time.

-> I didn't.....................

5. They have worked in that factory since 1996.

-> They started.......................

6. How long have you learnt English?

-> How long ago.....................?

Help me

Write sentences with the cues words. Use the present perfect tense.

1. He /have/a cold/a week.

-->........................................

2. They/buy/a new house/April.

->..............................................

3. My family/be/here /Christmas.

-->...........................

4. We /not see/ each other/10 years.

-->..............................

5. Mr Tam/ work/in the bank/a long time.

6. Mai and Nga /go/ to France/last summer.

-->.............................

7. My sister/write/this little/six o'clock.

-->....................................

8. I /not eat/ in that restaurant/ages.

->.......................

Help me

The simple past or present perfect?

1. She (just/send).......her mother a letter.

2. I (visit)...... Singapore two years ago.

3. He (live)...............in Nha Trang since 1998.

4. Tam (go) ......... out with his friends half an hour ago.

5. Thanh(learn) ......... English since he (be) ...... ten years old.

6. My son(play) ........ table tennis for ages.

7. They(already/read).......that novel.

8. Nam (not/ see) .......her for three years.

9. Mai (play)............the piano since she (live).............in Hanoi.

Help meee

Give the present perfect form of the verbs in brackets:

1. I (hear)......that story recently.

2. We (just tell)..... Bill what she said.

3. My sister (be) in Dalat many times.

4. (you/finish).....your work yet? -Already.

5. It's the best holiday I (have) ......for a long time.

6. She (know)...........him since they were children.

7. The boy (not meet)......his parents for two months.

8. They are the girls we(never see).....before.

Help me

Cho tam giác ABC. Gọi M ,N lần lượt là trung điểm của các cạnh AC,AB. Từ N kẻ đường thẳng song song với BM cắt đường thẳng BC tại D. Biết diện tích tam giác ABC bằng a (cm²)

a) tính diện tích hình thang CMND theo a

b) cho a =128cm² và BC=32 cm². Tính chiều cao của hình thang CMND.

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