module2 语法课1.docVIP

课题 语法课 主备教师 郄淑华 杨 主审教师 杨 学 习 目 标 1．现在完成时用法和构成 have\has+done 2．现在完成时和一般过去时的区别 学习重点难点 现在完成时各种句式 现在完成时和一般过去时的区别 学具 准备 多媒体 学 习 过 程 课前延伸 复习一般过去时 We had a good time last Sunday. He only drank a glass of milk this morning. She closed the window two hours ago. Lingling had breakfast this moring.. 读一读：动词的过去式和过去分词(注意规则和不规则变化) play-played-played be-was\were-been have-had-had meet-met-met see- saw-seen finish-finished-finished buy-bought-bought spend-spent-spent find-found-found study-studied-studied play-played-played watch-watched-watched eat-ate-eaten 课内探究 导入新课 ake conversations with students 讨论一下 I have already had breakfast. He hasn’t finished the work yet. Have you ever played the piano? Yes, I have. \ No, I haven’t. I have never been to Beijing. Has she ever met an Americans? Yes, she has. \ No, she hasn’t. We haven’t seen the film yet. They have seen the film twice. I have just bought a new bike. 现在完成时Present perfect）的定义和用法 1） 现在完成时的完成用法（用法一） 现在完成时用来表示过去发生或已经完成的某一动作对现在造成的影响或结果,也就是说,动作或状态发生在过去但它的影响现在还存在. He has turned off the light.他已把灯关了。(动作结束于过去，但说明的是现在的情况--灯现在不亮了。)I have spent all of my money.(含义是:现在我没有钱花了.) Jane has finished his homework..(含义是:现在没作业了.) 2）现在完成时的基本结构：　　①肯定句：主语++__________+其他　　②否定句：主语++_________+其他　　③一般疑问句：+主语++其他? ④特殊疑问句：+ _________+主语+___________+其他注意:1.现在完成时不能单独与准确时间连用，(如表示过去的时间状语） 如yesterday(morning、afternoon),last(morning、afternoon)等，除非与for, since连用.　　2.现在完成时往往同already（肯定）, yet（否定，疑问）, just, before, recently, 等状语连用 He has already finished the work.. 　I havent seen him recently (lately). 　　We have seen that film before. Have they found the missing child yet ?　　3. 现在完成时常常与表示频度的时间状语连用,　　如ever, never, twice, several times等: 　　Have you ever been to Beijing I have never seen the film before. 　　I have used this pen only three times. It is still good. George has been to Shanghai several times.练一练 Emily______ already ______(finish) her homework and now she is playing with her f