1.We wrote this letter for two hours.
àIt took we wirte this letter for two hours.
2.I spend.
àIt takes.
3.Dogs are difficult to train.
àIt’s..
4.They think that learning English are not easy.
à They think that it …………………............................................…………………………..
5.The weather is too cold for us to go out.
àThe weather is so ………….......................................................................…………………………..
6.The weather is too cold for us to go out.
àThe weather isn’t…………………..............................................................…………………………..
7.The film isn’t interesting for us to see.
àThe film is too…………………....................................................................…………………………..
8.Nhan is tired. He can’t fly his kites.
→ Nhan is so …………………......................................................................…………………………..
12. I wish to have enough money. I want to buy a new house
→ I wish to have enough money so that…….................................................…………………………..
13. I don’t think this book is expensive as it is.
→ This book is.....................................................................................................................................
14. Doing this test is very difficult.
→ It’s....................................................................................................................................................
15. He said something. I didn’t understand.
→ I didn’t understand...........................................................................................................................
16. He likes to read very much.
→ He enjoys.........................................................................................................................................
17. The bag is very heavy. I can’t carry it.
→ This bag is too ................................................................................................................................
18. We’ll go out. The rain will stop
→ When..............................................................................................................................................
Conditional Sentences
1, Mary ( Leave )left school six years ago
2, Mrs Ly ( wait )waited for us one hour ago
3, We ( arrive )arrived this morning
4, When did you last phone ( phone ) him ? Some week ago
5, Typhoons usually ( occur )occur in autumn in our country
6, S.O ( knock )knocks at the door . l ( open )open it
7, Ba is a hard - working student . He always ( get )gets good mark
8, Marry ( taste )tasted a lot of delicious food when she ( visit )visited Hue
9, My brother ( leave )left university in 1998
10, The first jeans ( appear )are appeared in Europe
11, Look at those boys , what game are they ( play )playing ?
12, Yesterday evening , my sister ( be )was tired , so she ( go )went to bed early
13, Farmers ( grow )grows rice and ( raise )raises cattle for a living
14, It's 10 o'clock now. My mother ( do )is doing the gardening
15, Twen diren the TV . He ( study )studies for his entrance exam