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2016年6月15日 星期三

The present perfect progressive tense

Present perfect continuos tense (video)
Forms
Subject + have or has + been Ving


Person
Affirmative
Interrogative
Negative
Singular
1st

I have been working.
Have I been working?
I have not been working.
2nd

You have been working.
Have you been working?
You have not been working.
3rd

He has been working.

Has he been working?
He has not been working.
She has been working.

Has she been working?
She has not been working.
It has been working.

Has it been working?
It has not been working.
Plural
1st

We have been working.
Have we been working?
We have not been working.
2nd

You have been working.
Have you been working?
You have not been working.
3rd

They have been working.
Have they been working?
They have not been working.
Contraction
l  I’ve (not), you’ve (not), we’ve (not), they’ve (not)
l  he’s (not), she’s (not), it’s (not)
l  have not = haven’t
l  Has not = hasn’t

1.      How long things have been continuing up to now – The present perfect continuous tense is used to describe situations which started in the past and are still going on or which have just stopped and have present results.

----------l------à-------à-------à------à------à-----à-------l------------------------------------------à
  the beginning of an action ----------------------- the moment of speaking or time indicated
    (past)                                      (now)

Example
1. Wade’s mom has been studying English for three decades.
2. Kay complained, “It has been snowing all day!”
3. For two hours, Sue has been chatting on the phone with her boyfriend Ramon.
# We use the present perfect continuous tense to talk about duration and only duration.

Passive voice exercises:
the present perfect continuous tense (1) answer keys: the present perfect continuous tense (2) answer keys not yet uploaded
the present perfect continuous tense (2) answer keys: the present perfect continuous tense (1) answer keys  Passive voice on-line exercises:

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