The document discusses different types of conditional sentences in English. It explains the four main conditional types using "if" clauses: 0 conditional for facts, 1st conditional for possible future events, 2nd conditional for unlikely events, and 3rd conditional for impossible past events. Examples are provided for each type. Additional conditional structures are also covered, such as "unless", "provided/providing", "so long as", "suppose", "but for", "otherwise", and inversion structures.

1. CONDITIONAL SENTENCES
Ricardo Forner

2. CONDITIONAL SENTENCES
If clause Main clause
(Condition) (Result)
0 conditional: If it rains you get wet.
1st conditional: If it rains you will get wet.
2nd conditional: If it rained you would get wet.
3rd conditional: If it had rained, you would have got wet.
Ricardo Forner

3. CONDITIONAL SENTENCES
FIRST CONDITIONAL
1. If I feel better later, we will go shopping.
2. We may / might visit our relatives if we have some
time.
3. If I am late, my parents worry.
4. If it rains, we can’t go to the beach.
5. Search on the Internet if you want to learn more
about the Amish.
6. Unless she moves to another city, she won’t leave
her job.
Ricardo Forner

4. CONDITIONAL SENTENCES
SECOND CONDITIONAL
1. I would read more books if I had spare time.
2. Jane could help if she were here.
3. He might like it, if he read it.
4. If I were you, I would ask my parents for permission.
5. Unless I were certain I wouldn’t say anything to him.
Ricardo Forner

5. CONDITIONAL SENTENCES
THIRD CONDITIONAL
1. If they had visited us, we would have been delighted.
2. You would have fallen in love with her if you had met
her.
3. We could have met if you hadn’t been so busy.
4. They might have won if they had played better.
Ricardo Forner

6. OTHER TYPES OF CONDITIONAL SENTENCES.
UNLESS (if not):
I'll go home soon unless the film starts
PROVIDED THAT/ PROVIDING THAT
We'll have the meeting on Tuesday, provided that
everybody agrees.
SO LONG AS / AS LONG AS / ON CONDITION THAT:
We'll have the meeting on Tuesday, as long as everybody
agrees.
Ricardo Forner

7. SUPPOSE/ SUPPOSING THAT/ WHAT IF...:
Supposing that it didn't rain for months, we wouldn’t have
enough water.
BUT FOR THAT ( if it hadn’t been for that)
The car broke down. But for that we would have been in time.
OTHERWISE
I used my calculator; otherwise I’d have taken longer.
INVERSION
- Were I Tom I would refuse.
-Had we known you were coming, we would have prepared
something.
- Should you require anything let us know. Ricardo Forner