语法一直是学英语的难题，但打好语法基础对提升成绩至关要紧！新东方在线我们为大伙整理了2024年12月英语四级语法常识：用于目前完成时的句型，期望能为各位考生提供参考和帮助。
2024年12月英语四级语法常识：用于目前完成时的句型
1)It is the first / second time…. that…结构中的从句部分，用目前完成时。
It is the first time that I have visited the city.
It was the third time that the boy had been late.
2)This is the… that…结构，that 从句要用目前完成时.
This is the best film that Ive seen.
这是我看过的最好的电影。
This is the first time Ive heard him sing.这是我首次听他唱歌。
典型例题
---Do you know our town at all?
---No, this is the first time I ___ here.
A. was B. have been C. came D. am coming
答案B. This is the first time 后面所加从句应为目前完成时，故选B。
---Have you ____ been to our town before?
---No, its the first time I ___ here.
A. even, come B. even, have comeC. ever, come D. ever, have come
答案D. ever意为过去或无论何时，反意词为never，此两词常用于完成时。 This is the largest fish I have ever seen. It is / was the first time +that-clause 的句型中，从句要用完成时。
注意：非延续性动词的否定形式可以与表示延续时间的状语连用。即动作不发生的状况是可以持续的。
I have received his letter for a month.
I havent received his letter for almost a month.
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