May 29th, 2015, 01:07 am
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Join Date: Oct 8th, 2006
| | Re: Present perfect or present perfect continuous?
1. Could be dropped or has dropped. It depends on speaker perception. Has dropped is probably more likely because it expresses a past event with a present result (the wallet is there now), but if the speaker wants to see it just as a completed past event, s/he'll choose dropped.
2. has been sleeping is most likely. It combines the perfect (past event with present result ...so he's always really tired during the day) and the progressive (= an on-going action - every night for the past few weeks). But again - it depends on speaker perception. If they just want to focus on the past event/present result they might say hasn't slept, or if they just want to focus on the on-going action might say isn't sleeping very well. That would be more likely without recently, but is a possibility.
As always, grammar is meaning. The different forms express different meanings and the speaker will choose the form which expresses the meaning s/he wants to convey - which will always depend on how s/he perceives the event.
Last edited by susan53 : May 30th, 2015 at 09:58 am.