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Grammar U5 - Coggle Diagram
Grammar U5
Gerunds & Infinitives
Form
to use sth
to inf
for V_ing
sth is used
to inf
for V_ing
Usage
describe the use or purpose of sth
Example
Facebook is used for updating new trend and our friends'status
We can use smartphone to call video
The present perfect
Form
(-) S + has/have + PII
(?) Has/have + S + PII?
(+) S + has/have + Pii
Usage
An action/experience happened several times in the past and still repeat in the present and future
An action happpened in the past but not mention abt time or dont want to mention abt time
The action have just happened
Action happened in the past but the result is in the present
Acttion happened in the past, continues to the present and future
Example
She has just cleaned the house so it is so clean and tidy
I have been to New York City several times
I have cut my hair