1. He last went to see his grandparents a month ago.
--> He has not
2. They haven't visited Nga for half a year.
--> They last
3. The last time T came here was 10 years ago
--> I haven't
4. The last time I saw Dick was in 1995.
--> I haven't
5. Mary has been working in this company for five years.
--> Mary began/started
6. No sooner had we finished the test than the bell rang.
--> Hardly
7. Hardly had they arrived at the airport when it began tp rain.
--> No sooner
8. I have never met a famous person before.
--> This is
9. This is the first time she has seen this man here.
--> She has not
10. This is the first birthday time she has attended such an enjoyable birthday party.
--> She has
11. They spent two hours doing these exercises at home.
--> It took
12. If you don't have a rest, you really will be ill.
-->Unless
13. You won't lose weight if you don't stop eating much.
-->Unless
14. Unless he phones immediately, he won't get any information.
--> If he
15.you can't visit London unless you get a visa.
--> If you
16. She works hard, so she earns a lot of money.
--> If
17. I didn't send her an invitation because I didn't find her address.
--> If I had
18.We got lost because we didn't have a map.
-->If
19. Without his help,we would all have died.
--> If it
20. I would like to go fishing,but I don't have much time.
--> If I had
1. He last went to see his grandparents a month ago.
--> He has not seen his grandparents for a month.
2. They haven't visited Nga for half a year.
--> They last visited Nga half a year ago.
3. The last time T came here was 10 years ago
--> I haven't come here for 10 years.
4. The last time I saw Dick was in 1995.
--> I haven't seen Dick since 1995.
5. Mary has been working in this company for five years.
--> Mary began/started working in this company 5 years ago.
6. No sooner had we finished the test than the bell rang.
--> Hardly had we finished the test when the bell rang.
7. Hardly had they arrived at the airport when it began tp rain.
--> No sooner had they arrived at the airport than it began to rain.
8. I have never met a famous person before.
--> This is the first time I have met a famous person.
9. This is the first time she has seen this man here.
--> She has not seen this man here before.
10. This is the first birthday time she has attended such an enjoyable birthday party.
--> She has never attended such an enjoyable birthday party before.
11. They spent two hours doing these exercises at home.
--> It took them two hours to do these exercises at home.
12. If you don't have a rest, you really will be ill.
--> Unless you have a rest, you really will be ill.
13. You won't lose weight if you don't stop eating much.
--> Unless you stop eating much, you won't lose weight.
14. Unless he phones immediately, he won't get any information.
--> If he doesn't phone immediately, he won't get any information.
15.you can't visit London unless you get a visa.
--> If you don't get a visa, you can't visit London.
16. She works hard, so she earns a lot of money.
--> If she doesn't work hard, she won't earn a lot of money.
17. I didn't send her an invitation because I didn't findher address.
--> If I had found her address, I would have sent her an invitation.
18.We got lost because we didn't have a map.
--> If we had got a map, we wouldn't have got lost.
19. Without his help,we would all have died.
--> If it hadn't been for your help, we would all have died.
20. I would like to go fishing,but I don't have much time.
--> If I had much time, I would go fishing.
