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1、either 的用法第一步 区别副词 either, too, also回忆这三个词的用法，完成下列句子。1. You havent seen him. I havent seen him, _.2. I have seen the film before ,_.3. Are those cows black and white , _?4. She can _ jump as high as 2 metres.5. Neither of the students knows the answer, _.注意：含有 too 结尾的句子 变否定句时要改 too 为 either.如：I have
2、 seen the movie and my brother has, too. (改为否定句)I _ seen the movie and my brother _, _.第二步 区别不定代词 either, neither, both, all, each, none首先，明确这些不定代词的词义及相互之间的关系。either “两者中任意一个”, 单数，肯定；each “每个，各个，各自”强调个体，肯定;both “两者都”， 肯定，复数； neither“两者都不”，否定，单数；all “三个或三个以上都” 肯定，复数； none “三个或三个以上都不” 否定，单数将下列句子变为否定句1
3、. Both of the twins like football. Neither of the twins likes football.2. All of the students have been to the park. None of the students has been to the park.引导学生观察句子的变化，并小结方法: 找准否定词注意主谓一致保持时态一致然后，概括这些不定代词在句子中的共同用法：可单独 使用，在句子中当主语、宾语、或同位语。如：I like both . Either is OK. Nothing is good for all. They e
4、ach have a book.这些不定代词都可后接 of+ 名词/代词宾格的复数形式。如：Neither of the books is mine. Both of the boys are looking at the pictures. None of the doctors can save the girl. Either of them is right . All of us are here.这些不定代词都可可以当形容词，修饰名词。如：Both guests have arrived. 两个客人都已到了。Both her fingers are broken. 她的两个手指都断
5、了. All the windows are open.所有的窗子都开着。接着，学会判断这些不定代词在句子中的运用1Which would you like to drink, coffee or orange juice ?- _. Please give me a cup of tea.A. Neither B. Both C. All D. None2. We have two bedrooms , but _of the is big enough for six people to live in.A. none B. both C. any D. neither3. -Which
6、would you like, rice or noodles ? -_ is OK. Im hungry.A. Either B. Neither C. Both D. All 4. Do you live by yourself , Mr. Wang?Yes, I have tow sons. But _ of them lives with me. They are now studying in America.A. neither B. both C. none D. either5. The students were all tired, but _ of them stoppe
7、d to have a rest.A. none B. each C. either D. neither6. On _ side of the river, there are many tall trees.A. every B. all C. both D. each7. - Which of the tow English books will you buy ?- Ill buy _ of them, so I can give one to my friend, Tom.A. either B. neither C. all D. both8. The two players _
8、from the same school.A. both are B. are both C. all are D. are all9. - Jim passed he maths exam. What about Ben ? - _A. He did so B. So did he C. So he did D. Neither did he10. - I didnt watch the football match yesterday. What about you ? - _.A. So didnt I B. Neither did I C. Neither didnt I D. I didnt neither
