用于现在完成时的句型 1）It is the first / second time…. that…结构中的从句部分，用现在完成时。 It is the first time that I have visited the city. It was the third time that t he boy had been late. 2）This is the… that…结构，that 从句要用现在完成时. This is the best film that I’v e (ever) seen. 这是我看过的最好的电影。 This is the first time (that) I’ve heard him sing. 这是我第一次听他唱歌。 典型例题 (1) ---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 后面所加从句应为现在完成时，故选 B。 (2) ---Have you ____ been to our town before? ---No, it’s the first time I ___ here. A. even, come B. even, have come C. ever, come D. ever, have come 答 案 D. ever 意 为 曾 经 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。即动作不发生的状态是可以持续的。 （错）I have received his letter for a month. （对）I haven’t received his letter for almost a month.
