1. Conditional Sentences
2019/2/24

2. Types of Conditional Sentences
Type 0: To express universal truth
Type 1: To express present or future activities which are true or likely
Type 2: To express present or future activities which are impossible or unlikely to happen
Type 3: To deal with past situations
Conditional Sentences
2019/2/24

3. Type 0: To express universal truth
Form: Present tense, Present tense
*** The conjunction “IF” can be replaced by “WHEN”
e.g. a. If we ice under the sun, it melts quickly.
b. When we ice under the sun, it quickly.
put
put
melts T
Ex.
Conditional Sentences
2019/2/24

4. Conditional Sentences
Type 1: To express present or future activities which are true or likely
Form: Present tense, Present future tense (can / may)
e.g. If it rains tomorrow, we will not go on a picnic.
If it should rain tomorrow, we will not go on a picnic.
OR Should it rain tomorrow, we will not go on a picnic. T
Ex.
Conditional Sentences
2019/2/24

5. Conditional Sentences
Type 2: To express present or future activities which are impossible or unlikely to happen
Form: Past tense, Past future tense
*** Use “WERE” for all persons
e.g. a. If it rained tomorrow, we would not go on a picnic.
b. If Peter were here, we would win.
OR Were Peter here, we would win. T
Ex.
Conditional Sentences
2019/2/24

6. Conditional Sentences
Type 3: To deal with past situations. The action mentioned did not actually happen.
Form: Past perfect tense, Past future perfect tense
*** The word “IF” can be omitted but the subject and the verb should exchange position.
e.g. If it had rained yesterday, we would not have gone on a picnic.
OR Had it rained yesterday, we would not have gone on a picnic. T
Ex.
Conditional Sentences
2019/2/24

7. If I a pair of wings, I to the places I like most.
could have
would fly
Conditional Sentences
2019/2/24

8. Conditional Sentences
I’ve just bought a new bicycle. Can you help me fix it up now? B
Oh, sorry! I’m busy now. If I time, I certainly you. A
had
would
help
Conditional Sentences
2019/2/24

9. Conditional Sentences
This town is very beautiful. I really want to have a ride round the town. A
It’s a pity that I don’t have a car. If I one, I you for a ride round the town. B
had
would take
Conditional Sentences
2019/2/24

10. Conditional Sentences
This town is very beautiful. I really want to have a ride round the town. A
It’s a pity that I don’t know how to drive. If I how to drive, I you for a ride round the town. B
knew
would take
Conditional Sentences
2019/2/24

11. Conditional Sentences
I don’t think it’ll rain tomorrow. A B
If it tomorrow, we cycling again.
rained
would not go
If it tomorrow, I at home.
rained
would stay
Conditional Sentences
2019/2/24

12. Conditional Sentences
2019/2/24

13. Conditional Sentences
There was a ferry accident last night. Fortunately, we were late, and so we escaped the collision.
If we the 7:20 ferry, we
had taken
would have died
If we the ferry, we the collision.
had taken
would
not have escaped
Conditional Sentences
2019/2/24

14. Conditional Sentences
Communication Game
If you could change your age, what age would you rather be?
If you could live any place in the world, where would it be?
If you could take only three people with you on a trip around the world, whom would you take?
Conditional Sentences
2019/2/24

15. Conditional Sentences
Exercise
Type O
General situations
Who do you go to see if you are sick?
What do people bring if it rains?
What does your teacher do if you are late for school?
How do you feel if you do not sleep very well?
How do you feel if someone is rude to you?
Conditional Sentences
2019/2/24

16. Conditional Sentences
Type 1
B. Present Conditional
What may happen if the bus driver does not slow down?
What will they do if it continues to rain?
Where will people be sent to if they break the law?
If Steven misses the last train home, where can he stay?
If Eddie is naughty, what will he not get from his parents?
What will happen to the ship if it goes out in the typhoon?
Conditional Sentences
2019/2/24

17. Conditional Sentences
Type 2
Past Conditional
If Terry took more exercise, what would happen to him?
If Betty ate less sweets, what would happen to her?
If Dora had your address, what would she send you?
What would happen if Mary did not study for the test?
What would happen if Dick missed the bus?
What would happen if the factory closed down?
What would you do if you had a lot of money?
If tomorrow were your birthday, what would you buy?
Conditional Sentences
2019/2/24

18. Conditional Sentences
Type 3
D. Perfect Conditional
What would have happened if it had rained yesterday?
What would have happened if Shirley had been to the party?
What would have happened if Anna had been late to the office?
What would have happened if Diana had missed the train?
What would have happened if Susan had not been careful?
Conditional Sentences
2019/2/24