Dear Mary,I have received your e-mail 这个为什么不用 I had receive your e-mail 呵呵,

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 02:08:22
Dear Mary,I have received your e-mail 这个为什么不用 I had receive your e-mail 呵呵,

Dear Mary,I have received your e-mail 这个为什么不用 I had receive your e-mail 呵呵,
Dear Mary,I have received your e-mail 这个为什么不用 I had receive your e-mail 呵呵,

Dear Mary,I have received your e-mail 这个为什么不用 I had receive your e-mail 呵呵,
因为这里的have received是现在完成时的形式,即have done形式.
现在完成时用于两种情况:
1,过去发生的事对现在产生了影响,如:I have seen the film before.对现在产生影响,对这部电影熟悉了;
2,过去发生的事延续到现在,有可能还会发生下去,如:I have lived here for 5 years.我现在还住在这里,可能还会住下去.
讲得不是很完整,