Form

Positive

SubjectStructureExample
All subjectssubject + will + base verbI will call you later.
Contraction: I'll, you'll, he'll, she'll, it'll, we'll, they'll

Negative

SubjectStructureExample
All subjectssubject + won't + base verbShe won't be here tomorrow.

Questions

TypeStructureExample
Yes/NoWill + subject + base verb?Will you help me?
Wh-Wh- + will + subject + base?When will you be home?
Will never changes: It's the same for all subjects. "He will" — NOT "He wills". After will, always use the base verb: "I will go" (NOT "I will going" or "I will went")

Use

UseExamples
Predictions about the future
(based on opinion)
I think it will rain tomorrow.
She won't pass the exam — she never studies.
Spontaneous decisions
(decided at the moment of speaking)
"There's no milk." — "Don't worry, I'll buy some."
Hold on, I'll get the door.
Promises
I won't tell anyone. I promise.
I will always love you.
Offers and requests
Will you help me with this?
I'll carry that for you.
Facts about the future
The sun will rise at 6:45 tomorrow.
Will vs. Going To: Use WILL for spontaneous decisions (you decide NOW). Use GOING TO for plans already made (you decided BEFORE). See the comparison page for full details. Will or Going To? →

Signal words

I think / I believe probably perhaps / maybe tomorrow next week / month / year in the future one day soon

Exercises

Exercise 1 — Fill in the blank

Use will + the verb in brackets.

1. I think it (be) cold tomorrow.
2. Don't worry. I (not / tell) anyone.
3. (you / help?) me with this bag?
4. The phone is ringing. (I / answer) it.
5. She studies every day. I'm sure she (pass) the exam.

Exercise 2 — Will or Going To?

Choose the most natural option.

1. "There's no sugar." — "OK, I _____ get some from the shop." (spontaneous decision)

2. I _____ visit my grandmother this weekend. (already decided)

3. I think electric cars _____ replace petrol cars. (general prediction)