Câu điều kiện 1 và 2 :
1.People don't trust him because he tells lies.
->If he.........................................
2.She is so busy that she can't come to the party
->If she ....................................
3.I haven't got the money , so I'm not going on holiday.
->If I..........................
4.He often gets bad marks because he is lazy
->If ................................................
5.Do it now,or you will not finish it on time
->If............................
6.Hurry up,or we will ba late for the exam
->If.......................................
7.Be quiet ,or you will not understand the lesson
->If................................
8.I'm not a doctor , so I can't help you
->If..........................
9.They do not understand you because you do not often talk to them
->If..............................
10.I'm so busy , so I don't write to my friends regularly
->If I....................................
11.The office may be closed, so Mark won't be able to get in
->If the office...........................
12.You can't look the word up because you haven't got a dictionary
->If.........................
1.People don't trust him because he tells lies.
->If he.........didn't tell lies, people would trust him................................
2.She is so busy that she can't come to the party
->If she ........weren't so busy, she could come to the party............................
3.I haven't got the money , so I'm not going on holiday.
->If I.....had got the money, I would be going on holiday.....................
4.He often gets bad marks because he is lazy
->If ........he weren't lazy, he wouldn't often get bad marks.......................................
5.Do it now,or you will not finish it on time
->If........you don't do it now, you won't finish it on time....................
6.Hurry up,or we will ba->be late for the exam
->If......we don't hurry up, we will be late for the exam.................................
7.Be quiet ,or you will not understand the lesson
->If........you aren't quiet, you won't understand the lesson........................
8.I'm not a doctor , so I can't help you
->If......I were a doctor, I could help you....................
9.They do not understand you because you do not often talk to them
->If.........you often talked to them, they would understand you....................
10.I'm so busy , so I don't write to my friends regularly
->If I....weren't so busy, I would write to my friends regularly................................
11.The office may be closed, so Mark won't be able to get in
->If the office.....isn't closed, Mark will be able to get in(Tham khảo c11)......................
12.You can't look the word up because you haven't got a dictionary
->If.........you had got a dictionary, you could look the world up................
-Câu điều kiện loại 1 diễn tả điều có thể xảy ra ở hiện tại hoặc tương lai
-Cấu trúc: If+S+V(hiện tại đơn), S+will/can/may+V(infinitive)