现在完成时 一 现在完成时的构成:主语 + have/has + 过去分词 (过去分词:规则动词的过去分词构成与动词过去式相同;不规则动词需要特殊记忆。－略 ) [Exercises1] 选择填空 ( )1.I Enghish in this school since 1999 (A)taught (B)have taught (C)tea (D)would teach ( )2.Lilei the pen for five years (A)has had (B)bought (C)have had (D)have bought ( )3.Kate her grand mother's photo before (A)haven't seen (B)have seen (C)see (D)hasn't seen ( )4. Mary you these days. (A)Has,seen (B)Do,see (C)Did,see (D)Is,seeing ( )5.so far ,we thousands of Building in Quanzhou (A)build (B)have build (C)build (D)will build 二、否定式:主语 + haven’t/hasn’t + 过去分词。 疑问式: Have /Has + 主语 + 过去分词? 简略答语: Yes, 主语 + have/has.(肯定) No, 主语 + haven’t/hasn’t.(否定) [Exercises2] 选择填空 ( )1.——Have you finished your work? —— . (A) Yes, I have. (B) Yes, I do. (C) Yes, I am. (D) Yes, I did. ( )2.——Has she ever learned English? —— (A) Yes, she has. (B) Yes, she does. (C) No, she doesn’t (D)No, she has ( )3.He finished his homework. yet (A)doesn’t (B)haven’t (C) hasn’t (D) doesn’t have 三 现在完成时的含义之一表示过去发生或已经完成的动作对现在造成的影响或结果，常与never/ever，just，already/yet，before。so far 等连用。这些标志词可以表达这种含义 ⑴以 already, just 和 yet 为标志 already, just 和 yet 表示到现在为止动作或状态已经、刚刚或还没有发生。 He has already got her help. He has just seen the film. He hasn’t come back yet.。 ⑵以 ever 和 never 为标志 ever 和 never 表示到现在为止动作或状态曾经或从来没有发生过。 This is the best film I have ever seen. He has never been to Beijing. ⑶ 以动作发生的次数为标志 若某一动作到现在为止已经发生了若干次,则要使用现在完成时。 He says he has been to the USA three times. ⑷ 以so far 为标志 so far 往往表示到目前为止...
