I have to wake up from tomorrow.

He has to work hard for at least 10 years.

We will have to learn to make business.

I had to learn English at that time but I was busy in other things.

You have to drink 4 litres water every day.

Ravi will have to face the interview some or the other day.

Rahul is to come to my home today. / Rahul has to come to my home today.

Amit had to go to his house.

Am I not to go? / Have I not to go?

I have to call him every day.

I will have to decide today itself.

I don’t have to go there. / I have not to go there. / I am not to go there.

I have to call him every day.

What have you to do? / What do you have to do? / What are you to do?

I am to meet you. / I am supposed to meet you./ I have to meet you.

I was to go to school./ I had to go to school.

I had to go to school.

They will have to talk to you.

He will have to sit with me.

Now, this has to be done. / Now, this is to be done.