Teorija

  
We use the PRESENT PERFECTWe use the PAST SIMPLE
to talk about an action that
happened at an unstated time in the past.
  
Ann has sold a lot of books.
  
(When? We don't know. The time is not stated.)
to talk about an action that
happened at a stated time in the past.
  
Ann sold her first book in 2011.
  
(When? In 2011. The time is mentioned.)
to talk about an action that
started in the past and is still continuing in the present.
  
Jamie has had a cold for two days.
  
(He has still got a cold.)
to talk about an action that
started and finished in the past.
 
 
Jamie had a cold for two days.
  
(He hasn't got a cold any more.)
with time expressions
  
just
already
ever
never
yet
still
since
for
lately
recently
this morning (this week, today,…)
once (twice, three times,...)
so far (up to now)
How much (How many / How long…?)
before
with time expressions
  
yesterday
last (last month)
ago (two days ago)
in ... (in 2015)
when (when I was 5)
 
 
 
 
 
 
 
 
 
 
They have seen "The Chronicles of Narnia" three times.
They have seen "The Chronicles of Narnia".
(When? We don't know. The time is not stated.)
They saw "The Chronicles of Narnia" yesterday.
(When? We know. Yesterday.)