If , unless clauses, conditional

It is very important sentences containing conditional clauses like if, unless, and provided that is called a conditional sentence. they express four types of conditions and each type has a different structure and meanings.

If I win, it will be a dream come true.
If you don't water plants, they die.
If you heat ice, it melts.
If you like it, you can keep it.
if you call me at nine, I'll be in.
When water boils, it turns to steam.
if I were you, I would not do that.
If you wake up before me, give me a call.
Work hard if you want to pass your exam.
If I won the lottery, I would buy you a present.
If Imran changed his job, he might be happier.
If you can't answer the question, leave a blank. If you come to Pokhara, go boating on Phewa lake.
Unless we unite, our enemies will defect us.
If million had enough money, he would buy a motorbike.
If Sabnam studied for exams, She would get better grades.
If she'd taken the medicine, she has felt much better sooner.
If we had caught that train, we,d have arrived on time!
If he had known the answer, he would have told us.
If an equal to b and b equal to c, it follows that an equal to c.
If you lend this book to me, I'll give it back to you next Monday.

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