A1 - Simple Future - will / shall

He will love my new coat.

Will is an auxiliary verb. This means that:

• we use will + infinitive: I‘ll be (or will be) at home next Saturday.

• Will has a negative form: I won’t be (or will not be) at home next Saturday.

• we put will before the subject in questions: Will you be at home next Saturday?

• we use will in short answers: Yes, I will. / No, I won’t (or No, I will not).
  

Will – use

We use will to talk about things that we think will happen in the future.

He will love your new coat. They won’t win this match.

Note that it’s common to use will with the expressions I think, I don’t think, I hope, etc. or also with I’m sure, I’m not sure, perhaps, etc.

I hope they will arrive soon. I don’t think they‘ll win. I’m sure you‘ll be fine. Perhaps I‘ll be late. We use will for promises or refusals.

I will lend her the money. I won’t help you.

We use will when we make decisions at the moment of speaking (instant decisions).

A: There’s no milk in the fridge.

B: I’ll go to the shop to buy some more.

A: This box is very heavy.

B: Don’t worry. I’ll help you.

Shall I…? Shall we…?

We use Shall I…? or I’ll when we offer to do things for other people.

Shall I make some coffee? (= Do you want me to make coffee?) I‘ll make some coffee. We use Shall we…? to suggest doing something.

Shall we go to the cinema? (= Do you want to go to the cinema?)