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1、 仁爱版英语八年级上期末复习讲义二Unit 21、 重点单词1. toothache牙痛 headache头痛 stomachache胃痛；肚子痛2. suggest v. 建议-suggestion n.建议（可数）3. advice v&n 建议（作名词时不可数）4. lie躺;撒谎-现在分词：lying-lay过去式5. while当.时候6. worry v&n担心；担忧7. without没有，缺乏；不和.在一起8. necessary adj. 必要的9. active积极的10. illness 疾病11. taste尝起来，feel感觉；sound听起来 look看起来 sme
2、ll闻起来12. possible adj.可能的13. question问题14. build v.建筑；建造15. themselves他们自己16. happen发生（不及物动词）17. herself她自己18. finally最终；最后19. itself它自己20. instead代替；反而21. except prep.除.之外2、 重点短语1. have a cold患感冒2. lie down 躺下3. take care of=look after关心，照顾4. worry about担心，烦恼5. help sb with sth在某方面帮助某人6. ask sb (no
3、t) to do sth 要求某人(不)做某事7. in fact事实上，实际上8. as. as possible尽量地9. on the other hand另一方面10. instead of代替11. be sorry to do sth抱歉做某事12. suggest doing sth建议做某事 suggest +(that)宾语从句“建议.”13. stay up 熬夜14. Its +形容词+ for sb to do sth对某人来说做某事.15. give up放弃16. force sb to do sth强迫某人做某事17. be surprised to do sth
4、对做某事很惊讶/惊奇18. for example例如，比如说=such asnot only.but (also). “不但.而且.”，“不仅.还.”19. prevent.(from) doing sth“防止.做某事”20. need (to) do sth 3、 知识要点1. 表示病痛的句型 身体部位+ache 表示“.疼，.痛”have a +病痛 表示“生.病，.痛，.疼”Dell has a stomachache.She has a bad cough.2. 询问人生病情况的句型Whats the matter with sb?Whats wrong with sb?3. 系动
5、词的用法：后接形容词作表语。（主语+系动词+表语）smell(闻起来)，sound(听起来)，taste(尝起来)，feel(觉得)， turn/get/become(变得)，keep/stay(保持)The flowers smell good. I like them.4. enough的用法（名前形副后）修饰名词，在名词前。enough money修饰形容词副词，在形容词副词后。big enough.You should drink enough boiled water.5. something, anything, nothing等不定代词有形容词修饰时，形容词位于其后，作后置定语。
6、作主语时，谓语动词用单数Everything is possible if you put your heart into it. There is nothing interesting in todays newspaper.Could you give me something to drink?4、 语法知识点情态动词：can, could, may, might, must, need, should, had better, have to的用法1.定义：情态动词有词义，表示某种情绪或说话者的态度。2.用法：通常没有人称和数的变化，不能单独作谓语，后跟实义动词（动词原形）共同作谓语
7、。You mustnt watch TV too long. He thinks smoking can be bad for his health. Smoking may cause cancer. I have to do my cleaning now. May I borrow your dictionary and show it to my father?注意：1. must属情态动词，意为“必须,一定”，must进行提问，肯定回答用must，否定回答用dont have to或neednt-Must I finish the housework now?-No, you dont have to/neednt.2. had better“最好”，表示提建议。had better not“最好不” You had better not smoke here.Youd better lie down and have a rest.3. need “需要”，表示必要性。同时need也可以是实义动词，句型：need to do sth需要做某事He need have a rest now.=He needs to have a rest now.
