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Present Perfect Tense
The present perfect tense connects a past event to the present. It is formed using "have" or "has" plus the past participle of a verb. It is used to describe actions that started in the past and continue to the present, actions completed at an unspecified time in the past, or actions completed in an unfinished period of time.
現在完了形は、過去の出来事を現在に結びつける時制で、「have」または「has」と動詞の過去分詞を組み合わせて作られます。過去に始まり現在まで続いている動作、過去の特定の時点で完了した動作、または未完了の期間に完了した動作を表すために使用されます。
I
have
finished
you
have
finished
he, she, it
has
finished
we
have
finished
they
have
finished
I have
I've
you have
you've
he / she / it has
he's / she's / it's
we have
we've
they have
they've
Negative Forms:
I have not
I've not / I haven't
you have not
you've not / you haven't
he has not
he's not / he hasn't
she has not
she's not / she hasn't
it has not
it's not / it hasn't
we have
we've not / we haven't
they have
they've not / they haven't
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