good afternoon!
welcome to the class
Teacher: Trinh Thi Ngoc Lan
conditional sentences
Conditional sentences
2
1
3
Put the verbs in the correct form
If I made a promise, I (keep) _________ it.
If we had known your address, we (write) _______________ you a letter.
If you come here in Spring, you (have)_______ a chance to go to the village fair.
I (not do)__________ that if I (be) ____ you.
You were late last night. If you (arrive) _________ ten minutes earlier, you (get) ____________ a seat.
6. Can I borrow the dictionary if he (finish) _______ it?

would keep
would have written
will have
would not do
were
had arrived
would have got
finishes
Tenses
?Simple present in the main clause:
Ex: If you heat ice, it turns to water.
?Progressive tense:
Ex: If I were sitting on the car, I would feel carsick.
?Perfect tense: Ex: If I have finished the letter, I`ll post it.
?Be going to/ have to/ ..
Ex: If you are going to leave, I won`t say anything.
? `Should` in the conditional clause:
Ex: if she should agree to do it, please call me.
II. Replace "IF"
?Unless (trừ khi, nếu không) = If..not
Ex: My wife will be very upset if I don`t get back tomorrow.
-> My wife will be very upset unless I get back tomorrow.
?Mệnh đề Unless luôn ở thể khẳng định.
? Không dùng thì tương lai trong mệnh đề Unless
Provided/ Providing that, on condition that, as long as (miÔn lµ), suppose (gi¶ sö nh­), only if (chØ víi ®iÒu kiÖn lµ), but for + noun(nÕu kh«ng)….
Ex:
1, I’ll do all thing as long as she is happy.
2, Provided that you know her address, will you help me to give her this book?
II. Replace "IF"
 Inversion:

 ChØ dïng ®¶o ng÷ trong mÖnh ®Ò IF
 Kh«ng dïng d¹ng rót gän trong mÖnh ®Ò ®¶o ng÷ phñ ®Þnh
Ex: Hadn’t he asked me, he’d have asked you
Had he not asked me, he’d have asked you

.
II. Replace "IF"
Exercise: Rewrite these sentences beginning the given word:
1. If Tom had understood what I said, he’d have come back. (Had……….)
->Had Tom understood what I said, he’d have come back.
2. If he meets Mary, he will call you. (Should………)
->Should he meet Mary, I will call you.
3. If I had much money, I would buy that village. ( Were………….)
->Were I to have much money, I would buy that village.
III.Mixed condition
Situation: I didn`t eat breakfast this morning, I am hungry now. (If...)
-> If I had eaten breakfast this morning, I would not be hungry now.
(type 3 & type 2)

Situation: He has a test to do today, so he couldn`t go out for picnic with his friends yesterday. (If...)
-> If he didn`t have a test to do today, he could have gone out for picnic with his friends yesterday.
(type 2 & type 3)

exercises
lucky number
5
3
1
2
4
6
7
8
9
10
where are you?
If I were a King, you would be a Queen.
Were I a bird, I would be a dove.
If he looks at me, I will be shy.
He wouldn’t have failed the exams if he had studied harder.
Unless he swears, I won’t believe him.
good bye and thank you!
Study hard/ be given a commendation
eat a lot/ be overweight
nice/ go for picnic
money
Know your number/ call
be careful/ fall
President/ build more schools
money/ village
Rain/ pick up
congratulate
congratulate
Type 1- Real condition
If + S +
is/ am/ are + N/Adj
V(s/ es) + (O)
, S +
Ex: If it rains tomorrow, I will stay at home.
(I’ll)
BACK
Will
Can
May


+ V-inf
Type 2- Unreal condition
If + S +
were + N/Adj
V(ed/P2) + (O)
, S +
Ex: If I were you, I would stay at home.
(I’d)
BACK
would
could
might
+ V-inf

If + S + had + V(ed/ P2) + (O),
S + would + have + V(ed/ P2)+ (O)

Ex: If I had known your address, I would have visited you.
BACK
Type 3 - Unreal condition
Were + S + N/ Adj/ to - inf,main clause
BACK
Inversion - Form
Had + S + V-ed/P2,main clause
Should + S + V-inf,main clause
Type 1
Type 2
Type 3
Ex: If I had money, I would give you all.
->Were I to have money, I would give you all.
Ex: If it rains, I will stay at home with you.
->Should it rain, I will stay at home with you.
Ex: If I had known your address, I’d have visited you.
->Had I known your address, I’d have visited you.