Conditional Sentences by Waleed
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Transcript of Conditional Sentences by Waleed
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Muhammad Waleed
Fraz
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What are conditional sentences?
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Conditional Sentences are sentences expressing hypothetical situations and
their consequences.
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A conditional sentence is composed of
2 parts
If-Clause + Main-Clause
Example:
If it rains tomorrow, we will not come
If Clause Main Clause
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The order of two clauses is flexible, it’s not important.
But if the If-Clause comes first, it must be followed by a comma.
If it rains, I’ll not go to school.
There are 4 types of conditional sentences.
They are classified according to the degree of their probability.
Each type uses different tenses to show the difference in the degree of probability.
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Zero Conditional:
If/When + present tense…../modal
1st Conditional:
If/Unless + present,…… future
2nd Conditional:
If + past,……. would
3rd Conditional:
If + past perfect,…… would have
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Zero :If you pour oil into water, it floats.
1st :If it rains, the match will be cancelled.
2nd :If I had 2 lakhs now, I would buy a bike.
3rd :If I had come home earlier, I would not have missed the serial.
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Zero :
Talk about universal Truth.
If you heat ice, it turns to water.
To talk about habits
If I see a snake, I get very scared!
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1st :
To speak about possible or probable future events.
If the weather is as sunny tomorrow as it was today, we will go surfing.
To make promises or warnings
If you forget my birthday, I’ll never speak to you again.
To give commands
If you are tired, go to bed!
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2nd :
To speak about present and future situations
which are unlikely to happen.
If I were you, I would not do this.
MIND
Were is often used instead of
was in the 1st and 3rd person
singular
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3rd :
To speak about impossible past events.
If they had gone by bus, they would have arrived much later.
(They did not go by bus)
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