1) This is the first time he went abroad.
⇒ He hasn't gone abroad before.
2) She started driving 1 month ago.
⇒ She has driven for 1 month.
3) We began eating when it started to rain.
⇒ We have eaten since it started to rain.
4) I last had my hair cut when I left her.
⇒ I haven't had my hair cut since I left her.
5) The last time she kissed me was 5 months ago.
⇒ She hasn't kissed me for 5 months.
6) It is a long time since we last met.
⇒ We haven’t met for a long time
7) When did you have it?
⇒ How long have you had it?
8) This is the first time I had such a delicious meal.
⇒ I haven’t ever had a such delicious meal before.
9) I haven't seen him for 8 days.
⇒ The last time I saw him was 8 days ago.
10) I haven't taken a bath since Monday.
⇒ It is 6 days since I took a bath. ( hôm nay là chủ nhật rồi nên đã 6 ngày kể từ lần tắm cuối)
11) Samuel started keeping a diary in 1997.
⇒ Samuel has kept a diary since 1997.
12) We started learning English fìve years ago.
⇒ We have learned English for five years.
13) I began living in Ho Chi Minh City when I was 8.
⇒ I have lived in Ho Chi Minh City since I was 8.
14) She has taught the children in this remote village for five months.
⇒ She started teaching the children in this remote village five months ago.
15) He has written to me since April.
⇒ The last time he wrote to me was in April.
16) She hasn’t had a swim for five years.
⇒ She last hadn't had a swim five years ago.
17) They last talked to each other two months ago.
⇒ They haven’t talked to each other for two months.
18) The last time she saw her elder sister was in 1999.
⇒ She hasn’t seen her elder sister since 1999.
19) She hasn’t written to me for years.
⇒ It’s years since she wrote to me.
20) Robert and Catherine have been married for ten years.
⇒ It’s ten years Robert and Catherine married.
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