Minggu, 24 November 2013

Simple Past VS Present Perfect

Use


Simple PastPresent Perfect Simple
certain time in the past
Example:
I phoned Mary 2 minutes ago.
just / already / not yet
Example:
I have just phoned Mary.

Certain event in the past or how often so far?


Simple PastPresent Perfect Simple
certain event in the past
Example:
He went to Canada last summer.
whether / how often till now
Example:
Have you ever been to Canada? / I have been to Canada twice.

Emphasis on action or result?


Simple PastPresent Perfect Simple
Emphasis on action
Example:
I bought a new bike. (just telling what I did in the past.)
Emphasis on result
Example:
I have bought a new bike. (With this sentence I actually want to express that I have a new bike now.)

Signal Words

Simple PastPresent Perfect Simple
  • yesterday
  • ... ago
  • in 1990
  • the other day
  • last ...
  • just
  • already
  • up to now
  • until now / till now
  • ever
  • (not) yet
  • so far
  • lately / recently

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