Perfect Tense

Definition  :

To experience an action or event that occurred in the past  and still has something to do with it now or to show an event completed in a short time.

Positive        :
S + have /has + verb III + complement

Example  :

ž     She has gone to market from 8 am :

Negative    :

S + have/has + not + verb III + …….

for make a negative sentence,after have/has added NOT

 

example   :

She has not gone to market from 8 am

S + have/has + not + verb III + …….

 for make a negative sentence,after have/has added not.