Future tenses

Future: Will

Uses:

- Facts (something that is true). example: John will date Maria on Aphril 17th

-Prediction based on fact.example: It is cloudy today, it will rain later.

-General future. example: Will you go to classes?

-Resufal of things. example: I won´t go

-Promises. example: I will go tomorrow, I promise.

Structure

Affirmative:

SUBJECT + WILL + VERB + COMPLEMENT

example: She will play with Tom tomorrow

Negative:

SUBJECT + WILL NOT/ WON´T + VERB + COMPLEMENT

example: I won´t let you go to that party

Question:

WILL + SUBJECT + VERB + COMPLEMENT

example: Will he go to the meeting?

WH-Q (question starting with "wh" like who, what, why, etc.) + WILL + SUBJECT + VERB + COMPLEMENT

example: What will you do this afternoon?

Future: Going to

Uses:

-Strong planning, something you are completely sure of realize. example: We are going to Spain this summer. 

-Hint-based prediction, it refers to something that you know is going to happen because is obvious. For example, think that you are in an elevator, and it stopped, start to swings, and it got stuck. Then you can say: It´s going to colapse.Because is the obvious result.

Structure:

Affirmative:

SUBJECT + VERB TO BE (AM/IS/ARE) + GOING TO + VERB + COMPLEMENT

example: Im going to travel tomorrow.

Negative:

SUBJECT + VERB TO BE (AM NOT/ ISN´T/ AREN´T) + GOING TO + VERB + COMPLEMENT

example: Maria isn´t going to Chiloe this summer.

Interrogative:

WH-Q + VERB TO BE (AM/ IS/ ARE) + SUBJECT + GOING TO + VERB + COMPLEMENT

example: What are you going to do tonight?

IMPORTANT:

Don´t get confused between will and going to! , you have to think that we use will to a general future, and we use going to for really strong future, it means that going to it is use for something 100% sure.

For example, I want to go to a concert, I have the intention to go, but I haven´t bought the tickets yet. So I should say: I will go to that concert. Now, if I have already bought the tickets, I can say: I´m going to go to that concert , because know is sure.