it"s the first time that sb have done sth

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/04 06:02:51

it"s the first time that sb have done sth
为什么从句用完成时

主句一般现在时的时候从句可以实际情况用任何世态.
这里,已经是完成的事情,就用完成时了.
再问：已经完成的但不持续 it"s the first time that he has failed the college entrance examiantions 为什么不用过去时
再答：现在完成时多用于已经发生的，结果对现在依然有影响。
再问：按照这个理论过去发生的所有事对现在都有影响阿到底应该怎么区分
再答：如果是强调对现在的影响，就用完成时。就你问的这句话来说，it's the first time that sb have done sth 是要强调，他上次做的时候，是有史以来第一次做，并且是现在，将来，不管任何时候看，都是第一次。强调这种持续性的影响的时候就用完成时。

it"s the first time that sb have done sth It is first time that sb.have done sth. it's the first time that sb.have done到底是不是强调句 It is the first time that sb do sth. 英语问题求教追问it is the first time sb have done sth这个固定句型要怎么理解后面一定 It is /was for the first /second ...time that sb.do /did sth it's the first time that与sb is the first to do 的区别 It(This) is/was the first(second,third……) time that sb.have/ it's time that sb did sth,it's time that sb should do sth有没有上衔接班用英文怎么说,然后用It's the first time that I have done 的句式翻译这是我第 it's the first time that 问几道英语语法题1.It is the first time that .have/has done.和It was t