нужно написать по 3 предложения на каждый тип времен:1. if+present simple + present simple 2. if+present simple +Future Simple 3. if+past simple+would(might,could)+infinitive (без частицы to) 4. if+past perfect +would+perfect infinitive

If you heat water to 100°C, it boils.

If I drink coffee late, I sleep badly.

If you press this button, the computer turns on.

If it rains tomorrow, I will stay at home.

If you study tonight, you will pass the test.

If she calls me, I will answer immediately.

If I had more free time, I would travel more.

If he knew her number, he could call her.

If we lived closer, we might meet more often.

If I had studied harder, I would have passed the exam.

If she had left earlier, she would have caught the train.

If they had listened to you, they would have avoided the mistake.