Future tense and signal words- will/going to

n case of Future Simple Tense it is difficult to name any specific words which are used along with this tense. All the expressions which imply that we refer to the future can be seen as an indication that we talk about the future. Remember though that expressions like: next week, next month, tomorrow, the day after tomorrow can be also used with other tenses.

Probably

I'll probably be home late tonight.

I expect

I haven't seen Peter today. I expect he'll call this evening.

(I'm) sure

Don't worry about the test. I'm sure you'll pass.

(I) think

Do you think Peter will like the gift we bought him?

(I) don't think

I don't think the exam will be very difficult.

I wonder

I wonder what will happen.

I hope

I hope Bob will pass the exam.
I hope Bob passes the exam.

Fill in the correct future tense - will future, going to or present progressive.
1. They  (drive) to New York tomorrow morning.
2. I hope the weather  (be) nice.
3. I offered him this job. I think he  (take) it.
4. I promise I  (not tell) your secret to anyone.
5. Take your umbrella with you. It  (rain).
6. They  (play) cards this evening.
7. I  (go) to the cinema tomorrow.
8. They  (fly) to Seattle next summer holidays.
9. I  (invite) 50 people to the party, and I hope everyone  (come).
10. That exercise looks difficult. I  (help) you.
11.  he  (go) to the football match?

When to use 'will/going to'. 

When you are plans are definite, use GOING TO. When you dream of doing something, use WILL.

When you’re talking about actions that are far into the future (months or maybe years from now), use WILL. When you’re talking about actions that you will do soon (tomorrow or next week), use GOING TO.

When you want to ask/request for something, use WILL). When you’re expecting/anticipating something to happen, use GOING TO.

Finally, when you promise something, use ‘WILL!’