Fundamental  English - VERBS I, you, we, they, she, he, it
Simple present -  used for general statements and question
to be short form question negative  -ve short form
I  am I'm Am I ? No, I am not
you, we, they  are you're Are you ? No, you are not No, you aren't
she, he, it is he's Is he ? No, he is not No, he isn't
other verbs
I, you, we, they  walk Do I walk ? No, I do not walk  I don't
she, he, it walks Does he walk ? No, he does not walk  he doesn't 
               
 past - to be
 I, she, he, it was was not wasn't
you, we, they  were weren't
 past - other verbs
I, you, we, they  verb +ed
she, he, it verb +ed
but many are irregular e.g. go -> went
Future all verbs
I, you, we, they  (to be) +going + (verb infintive)
she, he, it
Future certain 
I, you, we, they  will + (verb infintive - to)
she, he, it
present continuous 
person  (to be) verb+ing
past continuous 
person  was / were verb+ing
future continuous  (can use present con also)
person  (to be) going to be  verb+ing
(some verbs like know, like, love etc can't have a continuous )
         
to have 
I, you, we, they  have haven't
she, he, it has hasn't
past had hadn't
to do
I, you, we, they  do don't
she, he, it does doesn't
past did didn't
to make to go
I, you, we, they  make I, you, we, they  go
she, he, it makes she, he, it goes
past made past went
         
Present perfect -   connect past to today (in my life)
e.g. I have been to France
eg2 I have studied French
person have/has past participle
Present perfect continuous  -  connect past to today, future 
eg1 You have been studying French for 4 years
person have/has been verb +ing