How to form it: I + will + bare infinitive
The simple future refers to a time later than now and expresses facts or certainty.
The simple future is used:
To predict a future event:
- It’ll probably rain
With I or We, to express a spontaneous decision:
- I’ll order the tickets online.
To express willingness:
- I’ll do the vacuuming.
- He’ll take your bag for you.
In the negative form, to express unwillingness:
- The child won’t eat his food.
- She won’t leave until she’s seen the manager!
With I in the interrogative form using “shall”, to make an offer:
- Shall I close the door?
With we in the interrogative form using “shall”, to make a suggestion:
- Shall we go to the theatre tomorrow?
With I in the interrogative form using “shall”, to ask for advice or instructions:
- What shall I tell the boss about the stolen car?
With you, to give orders:
- You will do what I want.
With you in the interrogative form, to give an invitation:
- Will you go to the movies with me?
- Will you marry me?