There are three types of conditional sentences: 1. Pattern A sentences use present tense verbs and are for probable conditions ("if it rains tomorrow, we shall cancel the picnic"). 2. Pattern B sentences use past tense verbs and are for improbable conditions ("if it rained tomorrow, we should stay at home"). 3. Pattern C sentences use past perfect tense verbs and are for imaginary conditions ("if it had rained yesterday, I would have stayed at home").

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

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. Pattern A Probable B Probable C 3. If I dropped this bomb, it would explode . Pattern A Probable B Probable C

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