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九年级英语第二十一单元

[10-10 21:44:35]   来源：http://www.77xue.com  九年级英语教案   阅读：8678次
概要：“Oh , doctor , ”said the old man , “I feel quite well now . I had a good rest . I went to bed early . I drank much milk . I walked a lot . Your advice certainly helped me . However , you told me to smoke one cigar a day . One cigar a day almost killed me at first . It\'s no joke to start smoking at my age , you know . ”【 思维体操 】下面是与购物有关的三个谜语，请猜一猜。1 . Mary\'s mother asked her to buy something . She said , “The thing is a five - letter word
九年级英语第二十一单元,标签：初三英语教案,新目标九年级英语教案,http://www.77xue.com

　　“Oh , doctor , ”said the old man , “I feel quite well now . I had a good rest . I went to bed early . I drank much milk . I walked a lot . Your advice certainly helped me . However , you told me to smoke one cigar a day . One cigar a day almost killed me at first . It\'s no joke to start smoking at my age , you know . ”

【 思维体操 】

　　下面是与购物有关的三个谜语，请猜一猜。

　　1 . Mary\'s mother asked her to buy something .

　　She said , “The thing is a five - letter word . Its first letter is in paint and also in draw . Its second is in peace but never in war . Its third is in up but not in down . It fourth is in village but not in town . Its fifth is in dress but not in suit . The whole is a most delicious fruit . ”

　　Mary thought for a minute , then she knew what her mother wanted her to buy . What is it ?

　　2 . Mary asked her mother how many she needed to buy . Her mother said . “The number is between one and ten . If you double the number , the result will be the same as if you added two to it . What is the number ? ”

　　3 . Two women went shopping . One spent ten dollars more than the other , and together they spent forty dollars . How much money did each of them spend ?

　　答案：1 . apple 2 . two 3 . One spent fifteen dollars and the other spent twenty - five dollars .

三、智能显示

【 心中有数 】

　　单元语法发散思维

　　过去完成时态

　　过去完成时由“助动词 had ( 用于各种人称和数 ) + 过去分词”构成。主要表示在过去某一时刻或某一动作之前就已经完成或发生的动作或存在的状态。

　　这个时态常用 by 或 before 等引出过去的某一时刻，也常用状语从句或上下文表示过去的某一动作。其句型结构简见下表：




　　动词 be
　　动词 do

　　肯定式
　　By then I had been there .


九年级英语第二十一单元由www.77xue.com收集及整理,转载请说明出处www.77xue.com
　　By nine o\'clock last night she had done the work .

　　否定式
　　By then he had not yet been there .
　　By nine o\'clock last night I had not yet done the work .

　　疑问式
　　Had they been there by then ?
　　Had you done the work by nine o\'clock last night ?




　　基本用法：在过去某一时刻或某一动作之前已经完成或发生的动作或存在的情况。如：

　　I had learned 1000 English words by the end of last term . 在上学期结束时，我已学了一千个英语单词。

　　They still hadn\'t finished the work by Friday .

　　表示某个动作或状态一直延续到过去某一时刻。

　　It had snowed for an hour when the train arrived .

　　The old man died when the doctor arrived . ( 即老人的死是在医生到达的时候，或者刚刚到达之后 )

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