I'm glad you have come in his place.为什么要用have.I'm glad youhave come in his place 不行吗上面写错了。I'm glad you come in his place.

I'm glad you have come in his place.为什么要用have.I'm glad youhave come in his place 不行吗上面写错了。I'm glad you come in his place.
I'm glad you have come in his place.
为什么要用have.I'm glad youhave come in his place 不行吗
上面写错了。I'm glad you come in his place.

I'm glad you have come in his place.为什么要用have.I'm glad youhave come in his place 不行吗上面写错了。I'm glad you come in his place.
have 就是说 人家已经来了,我很高兴你到了.
如果不用的话,

时态问题。。因为是过去式。
have表示已经，
如果不用，动词come要改时态为came

从I'm glad you have come in his place这一句可以推断you come 是发生在过去的。
如果说I'm glad you came in his place ，则只是单单表示说这话的人对you的行为的一种陈述，并不包含有感情色彩，或者两人关系一般，那么I'm glad 也就不那么glad了！
相反，如果加个have，是完成时态，强调you come ...

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从I'm glad you have come in his place这一句可以推断you come 是发生在过去的。
如果说I'm glad you came in his place ，则只是单单表示说这话的人对you的行为的一种陈述，并不包含有感情色彩，或者两人关系一般，那么I'm glad 也就不那么glad了！
相反，如果加个have，是完成时态，强调you come 对现在的影响。那么glad 也就是真的glad，可理解为，我以为你不会去的，可没想到你最后还是去了，哈，我真是高兴！

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因为对方已经来了， 高兴的就是这个结果

用HAVE 的效果就是， 你已经来了，整句翻译为 我很高兴你已经到他这里了
如果没有HAVE，那么这句话就是这样翻译，我很高兴你到他这来