He has finished his homework 这个句子对吗

He has finished his homework 这个句子对吗
He has finished his homework 这个句子对吗

He has finished his homework 这个句子对吗
从句法上来说,这个句子是正确的,不过finish是暂时性动词,后面不能加时间的短语,比如for或者since引导的句子,而这个句子后面无时间性短语,所以是正确的

对 现在完成时

正确啊

对的，用现在完成时
翻译：他已经完成了作业

用过去时就可以了。He finished his homework.
he has finished his homework.看起来是没什么不对。但一般用过去时表示动作已发生就可以了。

对啊，现在完成时。