nkspb I always thought that we use only past tenses with 'when' and 'after', when talking of the past. That is not true if the time-period beginning in the past extends up to the present. nkspb So, is it grammatical to use the present perfect continuous after 'when'?
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nkspbI always thought that we use only past tenses with 'when' and 'after', when talking of the past.That is not true if the time-period beginning in the past extends up to the present.
nkspbSo, is it grammatical to use the present perfect continuous after 'when'?Yes, in some contexts.