Understanding 'Will' and 'Going to' Usage

To indicate hypothetical situations

To express present actions

To talk about future events

To describe past events

I will not eat that cake.

I will visit my grandparents next month.

I will take an umbrella because it looks like rain.

I will be a doctor when I grow up.

For making promises or offers

For expressing doubt about future events

For describing past habits

For events that are planned in advance

I will take the dog for a walk.

I will be there for you always.

I won't come out of my room.

I will go to the party tomorrow.

I will not eat that.

I will go to the store later.

I will be tired tomorrow.

I will help you with your homework.

To make a quick decision

To make a promise

To describe a past event

To express a refusal

wont

willn't

willn't

won't

I'l

Il

I'll

I will

He will be cranky when he wakes up.

He will go to the store later.

He will eat dinner soon.

He will be a doctor.

To indicate a prior plan

To describe a habitual action

To make a promise

To express a spontaneous decision