Will is a modal auxiliary verb. The forms of will are the same for all persons. The formation is: will + infinitive without to.
Positive and negative
For the creation of the question form we invert the verb and the subject.
|When will||He/She/It||help me?|
No, I won't is not common because it's impolite.
A polite way to say 'no' is 'I'm afraid I can't'.
Will is used:
- to express a future decision or intention made at the moment of speaking.
- to express an offer or a promise.
- to express a request.
|Spontaneous intentions||I'll give you my phone number.
"It's Jane birthday." "Is it? I'll buy her some flowers."
|Offers||I'll help you with your homework.
I'll carry your suitcase.
|Promises||I'll always love you.
I won't tell anyone.
|Requests||Will I open the window?
Will you answer the phone?