I have ______ an unbrella to your mother答案用了brought,可是have不应该是构成现在完成时的吗,为什么是用brought而不是bringing?

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I have ______ an unbrella to your mother答案用了brought,可是have不应该是构成现在完成时的吗,为什么是用brought而不是bringing?
x)TH,KU<ҼԜD|"Ԣk<[|ʊ'ڒK3Jt6c=HOwMy~)l^˳ 6< mg<0]Ɏ]Ov7<T4 jЋ@̼t I*'i`tv~͠

I have ______ an unbrella to your mother答案用了brought,可是have不应该是构成现在完成时的吗,为什么是用brought而不是bringing?
I have ______ an unbrella to your mother
答案用了brought,可是have不应该是构成现在完成时的吗,为什么是用brought而不是bringing?

I have ______ an unbrella to your mother答案用了brought,可是have不应该是构成现在完成时的吗,为什么是用brought而不是bringing?
现在完成时的结构是:have done sth
bring的过去分词就是brought