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littlelo
Joined: 16 Oct 2007
Posts: 1
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 Posted: Tue Oct 23, 2007 7:21 am Post subject: How to use these grammers? |
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Dear teachers:
I'm confused about four grammers.
"S+have/has+been+Ving" & "S+have/has + P.P."
"S+will / shall have + P.P." & "S+will / shall have been + V-ing"
I know the difference in them but I don't really understant how to use them correctly.
Can you tell me how to ues them ?
Thank you for your help 
Wendy |
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2006
Joined: 27 Nov 2006
Posts: 610
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| Posted: Tue Oct 23, 2007 9:08 pm Post subject: Re: How to use these grammers? |
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| littlelo wrote: |
Dear teachers:
I'm confused about four grammers.
"S+have/has+been+Ving" & "S+have/has + P.P."
"S+will / shall have + P.P." & "S+will / shall have been + V-ing"
I know the difference in them but I don't really understant how to use them correctly.
Can you tell me how to ues them ?
Thank you for your help
Wendy |
He has been sleeping for ten hours. He has slept for ten hours.
If he sleeps till noon, he will have been sleeping for twelve hours. If he sleeps till noon, he will have slept for twelve hours. |
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