present perfect tenst怎么用?

Present perfect tenses are those composed of have + pp,with usage
=has + (verb pp)
=eg:-He has/had/ will have committed suiside
=(present, past, future perfect tense)
=that shows present results of past actions:-
=have + (verb pp)
=has/have + (verb pp)
eg:-Have you "ever" been locked up in prison ? ;Either "Yes,I have"or "No,never",--with the present perfect tense at any time up to the present.
eg:-I have known her "for" many years.----period of time---never?, since=a point of time ?
Present perfect tense shows actions completed recently:-with usage
eg:-I have" just" finished my life---the immediate past
eg:-She has "already" married----completion
eg:-Chun-kit has eaten an apple given by the witch of Snow-white.----------used to express actions completed by the present or a particular point in the past or future.

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格瑞特

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和他一样

好好发挥

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