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PRESENT PERFECT SIMPLE VS PAST SIMPLE
Present Perfect Past Simple
Simple
For actions that
For actions that happened at a definite
happened in the past, but time in the past or
we do not say when actions that were started
exactly or still happening and were completed in
in the present. the past.
Unfinished time Finished time
- I have worked as a - They lived in Korea from
doctor since 2010. 2000 to 2005.
Indefinite time Definite time
- I have seen the KLCC. - I saw the KLCC in 2012.
Experience Series of finished actions.
- Have you listened to this - First, he listened to the
song? song and then he
watched a television.
Result
- She has already listened Repeated action.
to this song four times. - He went to the
shopping mall every
weekend last year.
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