Present Perfect a Present Perfect Continuous
: 03 lut 2009, 16:59
6.1 Complete the sentences with appropriate verbs, using the same one for each sentence in the pair. Use the present perfect in one sentence and the present perfect continuous in the other. Use negative forms where appropriate."
Biorę 4 zadanka:
4a I ... any of Dickens' novels.
4b I ... this book on astrophysics for hours and I'm still only on page 6.
5a Dr Fletcher ... the same lecture to students for the last ten years.
5b Mr Goldman ... nearly a million pounds to the charity this year.
6a I did 20 lengths of the pool today. I ... that far since I was at school.
6b I ... and I feel exhausted.
8a An important file ... from my office.
8b Plants and vegetables ... from my garden since we had new neighbours.
I odpowiedzi z klucza:
4a haven't read
4b 've (have) been reading ('have read' is also possible)
5a has been giving ('has given' is also possible)
5b has given
6a haven't swum
6b 've (have) been swimming.
8a has disappeared
8b have been disappearing ('have disappeared' is also possible)
Całość jest z książ ki Martin Hewings, "Advanced Grammar in Use", 2nd edition.
I moje pytanie: dlaczego w przykładach 4b, 5a oraz 8b moż e być uż yty Present Perfect, a w 6b nie?
Biorę 4 zadanka:
4a I ... any of Dickens' novels.
4b I ... this book on astrophysics for hours and I'm still only on page 6.
5a Dr Fletcher ... the same lecture to students for the last ten years.
5b Mr Goldman ... nearly a million pounds to the charity this year.
6a I did 20 lengths of the pool today. I ... that far since I was at school.
6b I ... and I feel exhausted.
8a An important file ... from my office.
8b Plants and vegetables ... from my garden since we had new neighbours.
I odpowiedzi z klucza:
4a haven't read
4b 've (have) been reading ('have read' is also possible)
5a has been giving ('has given' is also possible)
5b has given
6a haven't swum
6b 've (have) been swimming.
8a has disappeared
8b have been disappearing ('have disappeared' is also possible)
Całość jest z książ ki Martin Hewings, "Advanced Grammar in Use", 2nd edition.
I moje pytanie: dlaczego w przykładach 4b, 5a oraz 8b moż e być uż yty Present Perfect, a w 6b nie?