八年级英语上册单元考点汇总 Unit 1 Where did you go on vacation? 【重点语法】 不定代词：不指名代替任何特定名词或形容词的代词叫做不定代词。 用法注意： 1. some 和 any +可数名/不可数名。 some 多用于肯定句，any 多用于否定句、疑问句和条件从句 。有些问句中用 some,不用 any, 问话者希望得到对方肯定回答。 2. 由 some, any, no, every 与 body, one, thing 构成的复合不定代词作主语时，其 谓语动词用三单。 3. 不定代词若有定语修饰，该定语要置于其后：如：something interesting 【重点短语】 1. buy sth for ab./ buy sb. sth 为某人买某物 2. taste + adj. 尝起来…… 3. nothing...but + V.(原形) 除了……之外什么都没有 4. seem + (to be) + adj 看起来 5. arrive in + 大地方 / arrive at + 小地方 到达某地 6. decide to do sth. 决定做某事 7. try doing sth. 尝试做某事 / try to do sth. 尽力做某事 8. enjoy doing sth. 喜欢做某事 9. want to do sth. 想去做某事 10. start doing sth. 开始做某事=begin doing sth.begin doing sth. 11. stop doing sth. 停止做某事 区分： stop to do sth. 停下来去做某事 12. dislike doing sth. 不喜欢做某事 14. so + adj + that + 从句 如此……以至于…… 16. tell sb. (not) to do sth. 告诉某人（不要） 做某事 17. keep doing sth. 继续做某事 18. forget to do sth. 忘记去做某事 / forget doing sth 忘记做过某事 【词语辨析】 1. take a photo/ take photos 拍照 quite a few+名词复数 “许多…” 2. seem + 形容词 看起来…... You seem happy today. seem + to do sth. 似乎/好像做某事 I seem to have a cold It seems + 从句 似乎..…. It seems that no one believe you. seem like ... 好像，似乎….. It seems like a good idea. 3. arrive in +大地点=begin doing sth. get to=begin doing sth. reach+地点名 “到达......” arrive at +小地点 （注：若后跟地点副词 here/there/home, 介词需省略，如： arrive here; get home） 4. feel like sth 感觉像… feel doing sth. 想要做某事 5. wonder（想知道）+疑问词（who, what, why)引导的从句。 6. because of +名/代/V-ing because+从句 He can’t take a walk because of the rain. I don’t buy the shirt because it was too expensive. 7. enough +名词 足够的…... 形容词/副词+enough Unit 2 How often 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 =begin doing sth. 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=begin doing sth.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=begin doing sth.most students 15. shop=begin doing sth.go shopping=begin doing sth.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 =begin doing sth. certainly =begin doing sth. 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 people can 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 him here. 至于他，我永远不希望在这里见到。 As for the story，you\'d better 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’t interesting 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 on sth. “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..