月考临近,为了同学们更高效备考,小编为大家整理了2020-2021年初中英语八年级上册Unit2重难知识点,赶紧收藏起来,一定要认真看一看,记一记哦! Unit2 Howoften do you exercise? 【重点语法】 1. 频率副词: always, usually, often,sometimes, never 频率副词在句中通常放在实义动词之前, be动词或助动词之后。常用于一般现在时态中。 2.“次数”的表达方法 一次 once, 两次twice,三次或三次以上:基数词+ times, 如:three times,five times, 3. how often“多久一次”问频率,回答常含有频率词组或短语。 常见的how疑问词: 1)How soon 多久(以后) —How soon will he be back?他多久能回来? —He will be back in a month. 他一个月后能回来。 2)how long “多久” —How long did it take you to clean the house? 你打扫房子用了多久? —It took me half an hour to clean the house. 我打扫这房子用了半小时。 3)How many+名复 How much+不可名 “多少” 问数量(how much 还可问价格) 【重点短语】 1. go to the movies 去看电影 2. look after = take care of 照顾 3. surf the internet 上网 4. healthy lifestyle 健康的生活方式 5. go skate boarding 去划板 6. keep healthy=stay healthy 保持健康 7. eating habits 饮食习惯 8. take more exercise 做更多的运动 9. the same as 与什么相同 10. be different from 不同 11. once a month一月一次 12. twice a week一周两次 13.make a difference to 对......有影响/作用 14. most of the students=most students 15. shop=go shopping=do some shopping 购物 16. be good for 对......有益 17. be bad for 对......有害 18. come home from school放学回家 19. of course = certainly = sure 当然 20. get good grades 取得好成绩 21. keep/be in good health 保持健康 22. take a vacation 去度假 【词语辨析】 1. maybe / may be maybe 是副词,意为“大概, 可能,或许”,一般用于句首。May be是情态动词,意为“可能是...,也许是...,大概是...”. The baby is crying. Maybe she is hungry. The woman may be a teacher. 2. a few / few / a little / little People can live to 100, but few people can live to 150. There is little time left. I won’t catch the first bus. Could you give me a little milk? 3. hard / hardly hard作形容词,意为“困难的,艰苦的,硬的”;作副词,意为“努力地,猛烈地”。hardly为副词,意为“几乎不”。 The ground is too hard to dig. I can hardly understand them. It’s raining hard. The peoplecan hardly go outside. 4. As for homework , most students do homework every day . as for...意思是“至于;关于”,+名词、代词或动词的-ing形式(即动名词)。 如:As for him,I never want to see himhere. 至于他,我永远不希望在这里见到。 As for the story,you'dbetter not believe it. 关于那故事,你最好不要相信。 5. That sounds interesting. 这是“主语+系动词+表语”结构的简单句。sound(听起来),look(看起来),smell(闻起来),taste(尝起来),feel(觉得),seem(好象),grow(变得),get(变得)等词在英语中可用作系动词,后跟形容词作表语。如: It tastes good. 这味道好。 The music sounds very sweet. 这音乐听起来很入耳。 The smoke grew heavier and heavier. 烟雾变得越来越浓了。 6. percent 名词,意为“百分之……” 百分数的表示方法:基数+ percent (不用复数形式),percent做主语时,谓语动词的数要根据其后面的名词来确定。 50%:fifty percent 百分之五十 Fifty percent of the apples are bad. 50%的苹果都坏了。 Twenty percent of the meat is in the fridge. 20%的肉都在冰箱 7. not… at all 意为“一点也不”,not应放在be动词、情态动词或助动词之后。 The story isn’tinteresting at all. 那个故事一点也没有趣。 8. It is + adj. to do sth. 做某事是……的。 It is interesting to play computer games. 玩电脑很有趣。 9. take, spend, pay It takes sb. some time to do sth. 意为“花费某人……时间来做某事”。 人(sb.) spend 时间/钱 onsth. “买某物花了……钱”。 人(sb.) spend 时间/钱 (in)doing“花费多少时间来做某事”。 pay 的主语必须是人,而“花钱买某物”为pay...for... 10. however 副词,意为“然而,可是”,表示转折关系,可放在句首、句中、句末。 声明: (责任编辑:admin) |