if in a sentence

if meaning:

conj.) In case that; on the condition that;

conj.) Whether;

if sentence:

I will go for a walk if it is nice tomorrow.

I’ll tell you only if you promise to keep it to yourself.

What would you do if you won a million dollars?

Don’t give up if you fail.

He asked me if I was busy.

Correct me if I am mistaken.

I’d go crazy if I lived here.

I will stay home if it rains tomorrow.

You must work hard, if you want to succeed.

Employees can retire at 60 if they choose.

I was wondering if you were free tomorrow.

I’m willing to help you if you want me to.

I need to see you, right away if possible.

I was just wondering if you could help me.

I would talk to the doctor if I were you .

It works best if you let it warm up first.

My trousers only stay up if I wear a belt.

The disk will corrupt if it is overloaded.

She does not know if he is alive or dead.

She does not know if he is alive or dead.

I’ll box your ears if you say that again.

Your essay will be much stronger if you use simple, straightforward language.

I would be grateful if you could give him some information on local conditions.

You may fail the course if you don’t do a better job on your next presentation.

If you promise to pay me back, I will lend you the money.

I asked my mother if breakfast was ready.

It seemed as if she was going to faint.

Raise your hand if you have a question.

The game will be held even if it rains.

You can stay overnight if you want to.

Would you mind if I closed the window?

We could stroll into town if you like.

He must be ninety if he’s still alive.

That rose will revive if you water it.