The PM is to give a speech

[Lion]

Hi teachers

What is the difference between

The Prime Minister is to give speech tomorrow. and

The Prime Minister is going to give speech tomorrow.

What about The Prime Minister has to give speech tomorrow?

Thanks

Lion

[Alan]

Hi Lion,

Yo write three sentences:

[Lion A]

Thanks Alan!

Thanks for your explanation, Alan, but does HAS TO in the sentence above is formally use or rarely use?

yours

Lion

[Yankee]

Hi Lion

"Has to" is extremely standard. There's nothing terribly formal or informal about using have to. It's used in all kinds of speech and writing.

It simply indicates that you are required to do something.

Amy