1. Conditional Sentences

2. Conditional Sentences
Composed by 2 parts
one that expresses the condition
Introduced by the word “if”, commonly known as “if clause”.
one that expresses the consequence.
Example: If you work hard, you will succeed.

3. Conditional Sentences
There are 3 main types of conditional patterns.
Pattern A : probable condition
Pattern B : improbable condition
Pattern C : imaginary condition

4. Pattern A : Probable Condition
Used for actions which are true or likely to happen
Examples:
If it rains tomorrow, we shall cancel the picnic.
You will be tired if you do a lot of exercises.
Note on pattern A:
If + present tense, future tense

5. Pattern B : Improbable Condition
Used for present or future activities which are improbable or unlikely to happen
Examples:
If it rained tomorrow, we should stay at home.
You could start dinner if it were ready.
Note on Pattern B:
if + past tense, would/should + verb

6. Pattern C : Imaginary Condition
Used for impossible activities which could NOT be true or performed
Examples:
If it had rained yesterday, I would have stayed at home.
What would you have done if you had been attacked by a monster?
Note on Pattern C:
if + past perfect, perfect conditional
“Should/would + present perfect tense” is called perfect conditional.

7. Exercise
Try to distinguish the following sentences (pattern A,B or C).
1. If you take a taxi, you can get there in time for the play.
Pattern A Probable B Probable C
2. If I had known your arrival, I should have met you.
3. If I dropped this bomb, it would explode.

8. Remember Conditional sentences are composed by 2 parts
one that expresses the condition
one that expresses the consequence
3 main types of conditional patterns.
Pattern A : Probable Condition
Pattern B : Improbable Condition
Pattern C : Imaginary Condition
Objective
Construct conditional sentences according to different situations