BE GOING TO
We use the future "Be going to" to express future plans:
Dennis is going to buy a car next week.
TIME EXPRESSIONS
Tomorrow / Tonight
Next month / Year / Week / Tuesday, etc
In a hour / Year / etc.
Soon...
This week / month, etc
FUTURE WILL
We use the future will for predictions on the s-pot decision, promises, offers and requests.
I think She will be a great player one day.
This Jacket is very expensive. I won't buy it.
I promise I won't be late again.
Don't worry, I'll help you clean the house.
Will you do something for me?
MUST
HAVE TO
Must - Have To
We use must and have to/has to to express obligation in the present and future.
I must/have to wash the car today.
We use mustn't to express prohibition
You mustn't be late again!
We use don't/doesn't have to to express absence of obligation
You don't have to come early tomorrow. It isn't necessary
CONDITIONAL
Conditional Type 1
We use the conditional type 1 for something which is likely to happen in the present or future.
If I like the car, I'll buy it
If you want to get into the museum, you must buy a ticket.
If you don't feel well, go to bed.
MAKING SUGGESTIONS
Let's.... / Jow about....? / Why don´t we/you....?
To make suggestions we use
Let's + the base form of the verb
Let's go out tonight.
How about...? + -ing form.
How about going to the cinema?
Why don't we /you...? + the base form of the verb
Why don't we go shopping today?
PRESENT PERFECT SIMPLE
We form the Present Simple with have/has and the past participle of the verb. The past participle of regular verbs is the same as the Past SIMPLE ( Verb + -ed)
TIME EXPRESSIONS
always, ever, never before, so far, yet, already, just, once, twice, etc.
PRESENT PERFECT VS PAST SIMPLE