have/has-had-had,这个不规则变化需要背出来的,所以它的过去分词是had(has是have的三单形式)
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has 的过去分词 had
你好!
had 英[həd] 美[hæd]
v. 有( have的过去式和过去分词 ); (亲属关系中) 接受; 拿; 买到;
[例句]Had he succeeded, he would have acquired a monopoly
要是他当时成功了,他就会取得垄断地位。
过去分词是had,过去式同样是had
had