will/shall 1

Question 1

We do NOT use will for things

Answer 1

we have already arranged or decided to do

…We’re going to the cinema on Saturday. Do you want to come with us? (not We will go)
…I’m not working tomorrow. (not I won’t work)
…Are you going to do the exam? (not Will you do)

Question 2

Do NOT use shall with

Answer 2

you/they/he/she/it.

…Tom will be late. (not Tom shall be)

Question 3

You can use I’ll … (I will)

Answer 3

when you OFFER something or decide to do something

…My bag is very heavy.’ ‘I’ll carry it for you.’
…‘I’ll phone you tomorrow, OK?’ ‘OK, bye

Question 4

Shall I / Shall we … ? =

Answer 4

Do you think this is a good thing to do? Do you think this is a good idea?

…It’s very warm in this room. Shall I open the window?.
…Shall I phone you this evening? Yes, please.