Grammar

Present simple

I, You, We, They-Walk

He, She, It- Walks

For something that happens regularly, always or never

Present continuous

I am working
You are playing
He is talking
She is living
It is eating
We are staying
They are sleeping

infinitive + ing

For something happening at the moment

Past simple

regura- infinitive + ed

irregular- sit => sat
be => was/were

For something that happened in the past

Quantity

many-countable much-uncountable

few-not enough, a few-some

Comparison of adjectives

Will and going to

more + long adjective

No rules for irregular adjectives

short adjective+-er,-r,-y

superlative-The + short adjective + -est
The most+ long adjective

For predictions-going to(based on what we can see or hear), will(based on a guess)

For plans-going to(when we already decided), will(when making a decision as we speak)

First conditional

For predicting the resoult of an action

If (an action) then (a prediction) or (a prediction) if (an action)

Present perfect simple

to give news,talk about events during a period of time, to ask and say how long a situation has existed

been=>went and came back gone=>did not return