If I had
If we went... etc.
Dan likes fast cars, but he doesn't have one. He doesn't have enough money.
If he had the money, he would buy a fast car.
Usually had is past, but in this sentence had is not past. If he had the money = if he had the money now (but he doesn't have it).
	I you it	had / knew / lived / went (etc.) ... ,	I you it	would(n't)	buy ... be ... have ...
If		didn't have / didn't know (etc.) ... ,			
	they	were ... , could ... ,	they	could(n't)	go ...
	etc.		etc.		etc.
You can say:
□ If he had the money he would buy a car. or      He would buy a car if he had the money.
I'd / she'd / they'd etc. = I would / she would / they would etc. :
□ I don't know the answer. If I knew the answer, I'd tell you.
□ It's raining, so we're not going out. We'd get wet if we went out.
□ Jane lives in a city. She likes cities. She wouldn't be happy if she lived in the country.
□ If you didn't have a job, what would you do? (but you have a job)
□ I'm sorry I can't help you. I'd help you if I could, (but I can't)
P If we had a car, we could travel more, (but we haven't got a car, so we can't travel much)
If (I) was/were ...
You can say 'if I/he/she/it was' or 'if I/he/she/it were': O It's not a very nice place. I wouldn't go there if I
were you. (or ... if I was you) □ It would be nice if the weather was better.
(or ... if the weather were better) O What would Tom do if he were here?
(or ... if he was here)
^ I NQuUtn'fc go oufc i/f I were, jjQuTj
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Compare:
if I have / if it is etc.
□ I must go and see Helen.
If I have time, I will go today. (= maybe I'll have time, so maybe I'll go)
□ I like that jacket.
I'll buy it if it isn't too expensive. (— maybe it will not be too expensive)
□ I'll help you if I can. (= maybe I can help)
if I had / if it was etc.
□ I must go and see Helen.
If I had time, I would go today. (= I don't have time today, so I will not go)
□ I like that jacket, but it's very expensive. I I'd buy it if it wasn't so expensive.
(= it is expensive, so I'm not going to buy it)
□ I'd help you if I could, but I can't.
if we go / if I have / if I can etc. —» Unit 99
Exercises
Unit 100
100.1 Complete the sentences.
1 I don't know the answer. If I .......';>'ew........     the answer, I'd tell you.
2 I have a car. I couldn't travel very much if I .......Aixin fc Hew:........a car.
3 I don't want to go out. If I.........................................................................to go out, I'd go.
4 We haven't got a key. If we.......................................................................a key, we could get into the house.
5 I'm not hungry. I would have something to eat if I .........................................................................hungry.
6 Sue enjoys her work. She wouldn't do it if she.........................................................................it.
7 He can't speak any foreign languages. If he.........................................................................speak a foreign
language, perhaps he would get a better job.
8 You don't try hard enough. If you ........................................................ harder, you would have more success.
9 I have a lot to do today. If I.........................................................................so much to do, we could go out.
100.2 Put the verb in the correct form.
1 If.......h&..h<*A.......    the money, he would buy a fast car. (he/have)
2 Jane likes living in a city.     SHe. wouixin t be happy if she lived in the country, (she/not/be)
3 If I wanted to learn Italian,...........................................................................................to Italy. (I/go)
4 I haven't told Helen what happened. She'd be angry if.................................................................. (she/know)
5 If...........................................................................................a map, I could show you where I live, (we/have)
6 What would you do if...........................................................................................a lot of money? (you/win)
7 It's not a very good hotel............................................................................................ there if I were you. (I/not/stay)
8 If...........................................................................................nearer London, we would go there more often, (we/live)
9 It's a pity you have to go now. ......................................................................... nice if you had more time, (it/be)
10 I'm not going to take the job. I'd take it if...........................................................................................better.
(the salary/be)
11 I don't know anything about cars. If the car broke down,...........................................................................................
what to do. (I/not/know)
12 If you could change one thing in the world, what........................................................................................... ?
(you/change)
100.3 Complete the sentences. Choose from the box and put the verb in the correct form.
we	(have) a bigger house	it (be) a bit cheaper	I (watch) it
we	(buy) a bigger house	every day (be) the same	I (be) bored
we	(have) some pictures on the wall	the air (be) cleaner	
1 I'd buy that jacket if........fe Ifift. a. bit cheaper
2 If there was a good film on TV tonight,..................
3 This room would be nicer if.................................................
4 If there wasn't so much traffic,............................................
5 Life would be boring if...............................................................
6 If I had nothing to do,..................................................................
7 We could invite all our friends to stay if.................
8 If we had more money,................................................................
100.4 Complete the sentences. Use your own ideas.
1 I'd be happier if........L.lei. a....better..job......
2 If I could go anywhere in the world,...........................
3 I wouldn't be very happy if.....................................................
4 I'd buy.........................................................................if.............................
5 If I saw an accident in the street,......................................
6 The world would be a better place if..........................