this is the first time后面的从句用什么时态?

关于This is the first time后的从句通常用什么时态

一般说来,在It [This] is the first time+that-结构中,that-从句通常用现在完成时:

It’s the first time (that) the boy has spoken to a foreigner. 这个男孩还是第一次同外国人说话。

It’s the first time that she’s seen an elephant. 这是她第一次见到大象。

有时以上结构中的 first 也可换成 second,third,fourth 等;其中的time也可换成其他名词:

It’s the first month that he has lived here. 这是他第一个月住在这里。

This is the second cigarette that he has smoked today. 这是他今天抽的第二支烟。

若It was the first time that-结构中,that-从句通常用过去完成时,有时也用一般过去时,有时若有包括现在在内的时间状语,偶尔还可用现在完成时:

I was lucky because that was the second time I (had) visited Japan that year. 我很幸运,那是我那年第二次访问日本。

It was the first time this year that he hadn’t [hasn’t] worked on a Saturday. 这是今年来他第一次在星期六不上班。

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