2013年3月公共英语考试一级写作语法（8）

典型例题

(1) ---Do you know our town at all?外语学习网

---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 comeC. 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.

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