How to use Present perfect tense , Past perfect tense and Present perfect continuous tense . Besides, can you explain how to use something like " have been killed , has been identified , and had been killed ,had been identified ? How to differentiate the use of present perfect tense and presnt perfect continuous tense? I have so many doubt about that . I am so annoyed about that . So, please explain to me . I will be very grateful.
2006-12-27
02:18:43
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2 answers
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asked by
Anonymous
in
Education & Reference
➔ Primary & Secondary Education