LUYỆN TS VAO LOP 10 : CONDITIONAL

CONDITIONAL SENTENSES

I. If Clauses :

TYPE
IF CLAUSE
MAIN CLAUSE

 1. Future possible
S + V0 / VS/ES
( Be -> am/ is/ are )
S + Will + VO
Shall
Can
May

 2. Present unreal
S + Ved/ V2
( Be -> were )
S + Would + Vo
Should
Could
Might





 If . . . not = Unless ( nếu . . . không, trừ phi )

EX: - If he takes my advice, everything can go well.
- I wouldn’t do that if I were you.
- If I had known your address, I would have written you a letter.
- She will be late unless she starts at once.

Sentence Transformation :

1.

+ Qui tắc:
Không thay đổi thì.
Chỉ thay đổi ở mệnh đề IF / UNLESS: phủ định  khẳng định .
EX a- If you are not careful, you will cut yourself with that knife.
Unless ........
b- Unless you like this one, I’ll bring you another.
If ................
He would cause an accident if he didn’t drive carefully.
Unless ........
You would have lost all of your money unless you hadn’t invested it wisely.
If ...............



2.


+ Chú ý : Dạng này chỉ dùng ở câu điều kiện loại 1.

EX: a- Ask him first or he won’t offer to help
Unless ...........
Take an umbrella with you or you’ll be caught in the rain on the way back.
If ..................
Be calm or you make a wrong decision.
Unless ...........
If ...................
3. Cho một sự thật ở hiện tại -> Dùng câu điều kiện loại 2 viết lại câu trái với sự thật
ở hiện tại:
+ Qui tắc:
- Thay đổi thì ( hiện tại đơn -> quá khứ đơn )
- Viết lại câu trái nghĩa với câu cho trứơc ở cả hai mệnh đề:Phủ định Khẳng định.


a.



EX: - He is too old, so he can’t apply for the job.
If ..............
Ex:- I don’t know her number, so I don’t ring her up.
If ..............


b.


EX: - Susan is overweight because she eats too much chocolate.
If ..............
- We get lost because we don’t have a map.
If .............
5. Wish Sentences:

+ Qui tắc:
- Thay đổi thì: Hiện tại đơn -> quá khứ đơn.
Quá khứ đơn -> Quá khứ hoàn thành.
Tương lai đơn -> Would / Could.
- Viết lại câu trái nghĩa với câu ban đầu: Phủ định __ Khẳng định.
- Bỏ “I’m sorry” hoặc “What a pity” ( nếu có).
EX:
Present wish:
I’m sorry I don’t get good marks.
I wish...............
What a pity Mary doesn’t understand me.
I wish...............
I’m bad at English.
I wish .............
Future wish:
I’m sorry I can’t speak English fluently.
I wish .................
My sister won’t come here.
I wish..................
________________________________________________________________________________

EXERCISE
IF -> UNLESS:
If he doesn’t take more care, he’ll have an accident.
-> Unless . ……………………………………………………………………………………………………….. .
The crops will be ruined if it doesn’t rain soon.
-> Unless ......... . ………………………………………………………………………………………………………..
Unless the weather is fine, we’ll stay at home.
-> If . . . . ………………………………………………………………………………………………………..
I can’t go with you unless I get my work finished.
-> If ............... . ………………………………………………………………………………………………………..
If you don’t leave on the 15th , you’ll get home late for your mother’s party.
-> Unless............ . ………………………………………………………………………………………………………..
Tom never does anything unless his father tells him what to do.
-> If ............ . ………………………………………………………………………………………………………..
Don’t take this job if you don’t really want it.
-> Unless ............ . ………………………………………………………………………………………………………..
If she does nothing to prepare for the test, she will get bad marks.
-> Unless ......... . ………………………………………………………………………………………………………..
You can’t visit the United States unless you get a visa.
-> If ............... . ………………………………………………………………………………………………………..
Unless you remember our address, you can find it in the phone book.
-> If ...................... . ………………………………………………………………………………………………………..
II. Vo … + O or S + WILL + Vo -> IF YOU + DON’T Vo … , S + WILL + Vo
-> UNLESS YOU + Vo … , S + WILL + Vo

Do your exercises or you will fail the exam.
If............................
Unless...................
Save some money or you won’t able to buy the house.
If