英语四级语法辅导-动词的时态6

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　　11.11 用于现在完成时的句型
3 u% y9 X% w4 {4 F. x5 {　　1）It is the first / second time…. that…结构中的从句部分，用现在完成时。
3 Y6 ^) O& A: h8 U% W　　It is the first time that I have visited the city.
  j- i  x- i0 f* ^) J- O　　It was the third time that the boy had been late.
　　2）This is the… that…结构，that 从句要用现在完成时.
% R+ ^' n# Y0 @' ?. V5 T7 W　　This is the best film that I’ve (ever) seen.
8 v, o4 p4 E6 I- |; v$ [1 _　　这是我看过的最好的电影。外语学习网
* y7 ^2 d, y" n* A5 I$ @: x  Q　　This is the first time (that) I’ve heard him sing.　这是我第一次听他唱歌。
  e6 m2 V- h) ?. L& l4 @　　典型例题
　　(1) ---Do you know our town at all?
0 c% U" b3 P. ]: T& ?& y　　---No, this is the first time I ___ here.
4 Y( w! G  l5 r/ i　　A. was　 B. have been　 C. came　 D. am coming
" X- o; y$ G: E! B　　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.
* w3 q# l) ~0 u# M4 v5 @; U( S　　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。
3 B5 q+ f2 u; ^& c3 w　　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.
8 t( u5 j) S6 w& V; V　　（对）I haven’t received his letter for almost a month.