I advise, I promise, I Insist, I apologise, I agree, I refuse, ... Dont use Present Continuous
Uses the simple for permanent situations
Extras
I Always do and I´m always doing
I Always do (something) = I do it every time
I´m always doing something = do a thing very often, perhapd too often, or more often than normal
Dont use this verbs in continuous form: like, want, need, prefer, know, realise, suppose, mean, understand, believe, remember, belong, fit, contain, consist, seem, etc.
Think
Meaning believe or have an opinion dont use the continuous
Meaning consider can use continuous
See/hear/smell/taste
Uses normally the present simple with these verbs
We often use can + see/hear/smell/taste
Look/Feel
Can use the present simples or continuous to say how somebody looks or feels now
with usually dont use continuous - I usually fell well
Being
Uses am/is/are being to say how somebody is behaving
Past
Past Simple
Very often the past simple ends in -ed(regular verbs)
Many verbs are irregular, dont end in -ed.
In questions and negatives uses did/didn´t + infinitive
The past of be (am,is,are) is was/were
i/he/she/it was/wasn´t - we/you/they were/weren´t. Dont use did in negative and questions with was/were
Past Continuous
was/were -ing is the past continuous
The action or situation had already started before this time, but had not finished
Some verbs like know and want are not normally used in the continuous.
Present Perfect
Have/has + past participle is the present perfect simple
I/we/they/you have (i´ve) - he/she/it has (he´s)
Past Participle often ends in -ed, but has irregular verbs too
'something has happened' this is associate with new information
Connection with 'now' - The action has a result in the present
Uses with just, already and yet - Just = short time ago; Already = something happened sooner than expected; Yet = until now. Only in negative and questions
Present Perfect Continuous
Uses for an activity that has rencently stopped or just stopped.
Uses with How Long, for ... and since ... The activity is still happening or has just stopped
Can use for actions repeated over a period of time
has been or have been -> The activity has not been finished
Uses to say how long. How long have you been sleeping?
Some verbs like know/like/believe are not used in the continuous
Period of time that continues from past until now
Been(to) = Visited
uses with recently, in the last few days, so far, since breakfast, etc.
Can uses with today / this evening / this year / etc. when this periods are not finished at the time os speaking
When it is the first time something has happened
Extras
Can uses present perfect or continuous with live and work
With always only use Present Perfect
We use for + period of time. I´ve been waiting for two hours
Uses since + the start of a period. I´ve been waiting since 7 o´clock