Wednesday, October 16, 2013

Model +have:-
We use a modal verb with have and the past participle:
SubjectModalHavePast Participle 
Theywillhavearrivedby now
Youmighthaveseenthe film
Jack and Jillwouldhavebeenlate
 We use a modal verb with have to refer back:
  • … from a point of time in the past:
We were very worried. Someone might have taken the car.
  • … from the present
It is nearly eight o’clock. They will have arrived by now.
  • …or from the future:
We won’t eat until they arrive. They might not have had supper.
  • or to refer to past time:
You should have helped her when she asked.
They might have got lost. Nobody knows where they are. 

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