1. Present
perfect tense
Present perfect
tense used to express to action that began at the time in the past and not continuing
until now. E.g :
1.
They have written a
letter
2.
Amir has taken my
pencil
The present
perfect tense often uses adverb, example :
Since january
|
Almost
|
Since 1993
|
Just
|
Since i left school
|
Ever
|
For a week
|
So far
|
For three days
|
Up to now
|
For an hour
|
Never
|
For six years
|
Recently
|
lately
|
Yet
|
The formula of
present perfect tense
Verbal sentence
(+) = S + Have/has + V3 + O
Example : she has done her assignment
(-) = S + have/has +not +V3+ O
Example : she has not her assignment
(?) = has/have + she + V3+ O
Example : has she done her assignment?
Nominal sentence
(+) = S + have/ has + been + complement
Example : we have been successful
(-) = S + have/ has+ not + been + complement
Example : we have not been successful
(?) = have/ has + S+ been + complement
Example : have we been successful?
|