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Present perfect - Coggle Diagram
Present perfect
Past Simple
Finished
FORM: AFIRMATIVE
Sub + verb P.S
I - You - We - They
= Studied // I studied
She - He - It
= studied // She studied
FORM: NEGATIVE
Sub + did + not + verb infinitve
I - You - We - They
= didn't // I didn't study.
She - He - It
= didn't // She didn't study.
FORM: INTERROGATIVE
Did + Sub + verb infinitive
I - You - We - They
= did // Did I study?
She - He - It
= Did she study?
**LAST...
**... AGO.
**YESTERDAY.
Unfinished
FORM: AFIRMATIVE
Sub + have-has + verb P.P
I - You - We - They
= Have // I have studied
She - He - It
= Has // She has studied
FORM: NEGATIVE
Sub + have-has + not+ verb P.P
I - You - We - They
= Haven't or have not // I haven't studied
She - He - It
= Hasn't or has not // She hasn't studied
FORM: INTEGARRIVE
Have-has + sub + verb P.P
I - You - We - They
= Have // Have I studied?
She - He - It
= Has // Has she studied ?
EVER - NEVER
SINCE
SO FAR
YET