英语人教版八年级下册Unit 8 Section A（4a-4c）.doc

Section A 4a-4c【学习目标】1、学习P60的单词和短语，能够正确的拼写单词和短语。2、学习Grammar focus，理解Grammar focus的句型，能够用语法点完成4a、4b、4c对话练习。【重点难点】 Grammar focus的句型【课前热身】预习60页，找出以下短语并翻译。1. 喝些茶 _ 2. 看电影 _3. 考虑我们的计划 _ 4. 喜爱读书 _ 5. 超过100多种不同的书 _6. 科幻小说 _ 7. 对.感兴趣 _ 8. 有点无聊 _【课堂导学】合作探究：1.对学：核对预习答案；2.完成 4a,4b,4c练习。展示提升：1.展示预习；2.展示 4a,4b,4c。总结生成：语法聚焦：现在完成时的构成及句式转换： 助动词 have/has + 过去分词 1. I have finished my homework. (肯定句) I have not finished my homework.（否定句） 2. Have you finished your homework? Yes, I have / No, I haven.难点：already, yet 在现在完成时中，already 用于肯定句，yet用于否定和疑问句中。3. 现在完成时的标志： 常与just, already, yet, ever, never, before, so far 等连用， for + 时间段；since + 过去的时间点4Have/has gone to., 去了.（还没有回）；Have/has been to., 去过.（已经回）例：1) -Where is your sister?-She has gone to the library.她去图书馆了。（没有回，还在图书馆）2) I have been to Beijing many times.我去过北京很多次了。（我已经回了，没在北京了）；5. how long for+时间段，since.不能与瞬间动词连用。【当堂检测】一、按要求改写句子。1. Has Jack read Tom Sawyer yet? （肯定回答） _, _ _2. Has he cut down that big tree yet?（否定回答）_, _ _ 3. They have found the lost books already. （改为一般疑问句并做否定回答）- _ they _ the lost books _? - No, they _4. Mr Wang began to teach English in this school in 1999. （改为同义句）Mr Wang _ _ English in this school since 19995. They have lived here since 3 years ago. （就划线部分提问） _ _ have they lived here?6. Julia has not got home from school yet. （改为肯定句） Julia _ _ _ home from school.7He has already gone to New York. (变一般疑问句并回答) - _ he _ to New York _? - No, he _8We have learned English for two years. (变否定句) We _ _ English for two years.9. We have lived here for two years. (提问) _ _ have you _ here?10. Tom has ever read the book. (变否定句) Tom has _ read the book. 二、单项选择。 1. He is not at home, he has _ Jiefangbei.A. been to B. go to C. gone to D. been in2. She _in Chongqing 5 days ago, she has_ in Chongqing for 5 daysA. arrived, arrived B. been, arrived C. arrived, been D. g