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I'll stay at home if it rains.
We use it when we talk about something which is a strong possibility.
Sentence structure: If + Simple Present (V1) , Future Simple (will + verb V1)
If I travel to London, I will visit The Tower.
Pat will be late if she doesn't hurry up.

If it rains, you _____________ (to take) an umbrella with you.
If you ___________ (to work) harder, you will pass the exam.
If you _________ (to be) not sure of what to do, you can ask Tom.
If I have enough money, I __________ (to go) to China.
If you drive fast, you ___________ (to have) an accident.
If you go to bed earlier, you ________ (not/ to be) so tired in the morning.
Watch out! If you ______ (touch) that lamp, you will get a shock.
If I see Tom tomorrow, I ________(give) him the books.
Betty won't pass her exam unless she ______(study) harder
If you _____(not /water) this sunflower, it will die.
We _____(have) to walk if we run out of petrol.
You will lose your job if you _______(be) late again..
If you don’t slow down, you ________ (have) an accident.
If we don't protect the tiger, it ____ (become ) extinct
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