人教版八年级上册英语语法总结.docx

1、人教版八年级上册英语语法总结Unit1 Where did you go on vacation?词语辨析：1.anywhere 与 somewhere 两者都是不定副词。anywhere 在任何地方 ， 常用于否定句和疑问句中。I cant find it anywhere.somewhere 在某处，到某处，常用于肯定句。 I lost my key somewhere near here.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 I seems / se

2、emed + 从句 看起来好像；似乎. It seems that no one believe you. seem like .好像，似乎. It seems like a god idea. 3. decide to do sth.决定做某事 They decide to visit the museum.decide + 疑问词 + 动词不定式 He can not decide when to leave.4. start doing sth = start to do sth. 开始，可与begin 互换 。He started doing his homework. 但以下几种情况

3、不能用begin .1)创办，开办： He started a new bllkshop last month.2)机器开动： I cant start my car.3)出发，动身： I will start tomorrow morning.5. over 介词，多于，超过，在以上（表示数目、程度）= more thanMy father is over 40 years old.在之上，与物体垂直且不接触，与 under 相反。 There is a map over the blackboard.超过： I hear the news over the radio. 遍及： I wan

4、t to travel all over the world.6. too many 太多，后接可数名词复数： Mother bought too many eggs yesterday.too much 太多，修饰不可数名词，修饰动词作状语。 We have too much work to do. Dont talk too much.much too 太，修饰形容词或副词。 The hat is much too big for me. Youre walking much too fast.分辨三者的口诀： too much, much too, 用法区别看后头： much 后接不可数

5、， too 后修饰形或副。too many 要记住，后面名词必复数。7. because of 介词短语，因为，由于，后接名词、代词或动名词，不能接句子。He cant take a walk because of the rain.because 连词，因为，引导状语从句，表示直接明确的原因或理由。I dont buy the shirt because it was too expensive. Unit 2 How often do you exercise?词语辨析：1. how often 多久一次，用来提问动作发生的频率。回答用：once，twice, three times 等词

6、语。How often do you play sports? Three times a week.how long 多长，用来询问多长时间，也可询问某物有多长。How long does it take to get to Shanghai from here? How long is the ruler?how for 多远， 用来询问距离，指路程的远近。 How far is it from here to the park? Its about 2 kilometers.2.free 空闲的，有空的， 反义词为 busy. be free 有空，闲着，相当于 have time.Il

7、l be free next week. = Ill have time next week. 还可作“免费的、自由的”解。be free to do sth. 自由地做某事。The tickets are free. Youre free to go or to stay.3.How come？ 怎么会？ 怎么回事？表示某件事情很奇怪，有点想不通；可单独使用，也可引导一个问句， 相当于疑问句 why, 但 how come 开头的特殊疑问句使用的仍然是陈述语序。How come Tom didnt come to the party? = Why didnt Tom come to the

8、party?4.stay up late 指“熬夜到很晚，迟睡”。 Dont stay up late next time. stay up 指“熬夜，不睡觉”。 He stayed up all night to write his story.5.go to bed 强调“上床睡觉”的动作及过程，但人不一定睡着。I went to bed at eleven last night.go to sleep 强调“入睡，睡着，进入梦乡”。 She was so tired that she went to sleep soon.6.find + 宾语 +名词, 发现 ： We have fou

9、nd him (to be) a good boy.find + 宾语 + 形容词， 发现： He found the room dirty.find + 宾语 + 现在分词， 发现 ： I found her standing at the door.7.percent 百分数， 基数词 + percent： percent 没有复数形式，作主语时，根据所修饰的名词来判断谓语的单复数。 Forty percent of the students in our class are girls. Thirty percent of time passed.8.more than 超过，多于，不仅

10、仅， 相当于 over. 在句型转换中考查两者的同义替换。反义词组为：less than. I lived in Shanghai for more than / over ten years.9. afraid 形容词， 担心的，害怕的，在句中作表语，不用在名词前作定语。Im afraid we cant come here on time. be afraid of sb / sth 害怕某人 / 某事； be afraid of doing sth. 害怕做某事。Some children are afraid of the dark. Dont be afraid of asking

11、question.Im afraid + 从句 （恐怕，担心）： Im afraid I have to go now.10. sometimes , sometime, some times , some time 的区别：sometimes 频度副词， 有时。表示动作发生的不经常性，多与一般现在时连用，可位于句首、句中或句末。Sometimes I get up very early. -How often do you get up?sometime 副词，某个时候。 表示不确切或不具体的时间，常用于过去时或将来时，对它用疑问词when.I will go to Shanghai som

12、etime next week. -When will you go to Shanghai next week?some times 名词词组， 几次，几倍。其中time 是可数名词，对它提问用how many times.I have read the story some times. -How many times have you read the story?some time 名词短语， 一段时间. 表示“一段时间”时，句中谓语动词常为延续性动词，提问时用 How long.I ll stay here for some time. -How long will you stay

13、 here? Unit 3 Im more outgoing than my sister词语辨析：laugh v. & n. 笑We all laughed loudly when she made a joke. 她说了个笑话，我们都大声笑起来。We all laughed at his joke. 听了他的笑话我们都笑起来。He laughs best who laughs last. 谁笑在最后，谁笑得最好。/不要高兴得太早。（与at连用）嘲笑Dont laugh at him. 别嘲笑他。People have often laughed at stories told by sea

14、men. 人们常常嘲笑海员所讲的故事。Everyone laughed at his foolish antics. 大家都笑他那种愚蠢的滑稽动作。笑；笑声 We had a good laugh at his joke. 我们被他的笑话逗得哈哈大笑。though conj. 虽然；纵然；即使；尽管 = althoughThough it was raining，he went there. 虽然当时正下着雨，他还是到那里去了。Though he was poor he was happy. 虽然他很穷却很快乐。注意：不能受汉语的影响，在though引导的从句后使用but。如：Though h

15、e was poor，but he was happy.（误）though adv. 不过，可是，然而，常用于句末，用逗号隔开。Jim said that he would come, he didnt , though. 语法讲解：形容词与副词的比较级大多数形容词（性质形容词）和副词有比较级和最高级的变化，即原级、比较级和最高级，用来表示事物的等级差别。原级即形容词的原形，比较级和最高级有规则变化和不规则变化两种。1规则变化单音节词和少数双音节词，加词尾-er，-est来构成比较级和最高级。构成法原级比较级最高级一般单音节词末尾加-er，-esttall（高的）great（巨大的）talle

16、rgreatertallestgreatest以不发音的e结尾的单音节词和少数以-le结尾的双音节词只加-r，-stnice（好的）large（大的）nicerlargernicestlargest以一个辅音字母结尾的闭音节单音节词，双写结尾的辅音字母，再加-er，-estbig（大的）hot（热的）biggerhotterbiggesthottest“以辅音字母+y”结尾的双音节词，改y为i，再加-er， -esteasy（容易的）busy（忙的）easierbusiereasiestbusiest少数以-er，-ow结尾的双音节词末尾加-er，-estclever（聪明的）narrow（窄

17、的）cleverernarrowercleverestnarrowest其他双音节词和多音节词，在前面加more，most来构成比较级和最高级important（重要的）easily（容易地）more importantmore easilymost importantmost easily2不规则变化原级比较级最高级good（好的）well（健康的）betterbestbad（坏的）ill（有病的）worseworstold（老的）older/elderoldest/eldestmuch/many（多的）moremostlittle（少的）lessleastfar（远的）farther/fu

18、rtherfarthest/furthest Unit 4 Whats the best movie theater句型：1.It has the biggest screens.2.The DJs choose songs the most carefuuly.3.How do you like it so far? 到目前为止，你认为它怎么样？4.Thanks forget telling me.5.Can I ask you some questions?常用法：Can I ask you some. How do you like. 你认为怎么样Thanks for doing sth

19、.What do you think of .much + 形容词或副词比较级 .得多watch sb. do sth. 观看某人做某事play a role in doing sth. 发挥做某事的作用one of +可数名词复数 .之一Unit 5 Do you want to a game show?句型：-What do you think of talk shows?-I dont mind them.I hope to be a TV reporter one day.How about you?常用法：let sb. do sth. plan to do sth.hope to

20、do sth. happen to do sth.expect to do sth. How about doingbe ready to do sth. try ones best to do sth.知识点：1、the other, the others, other, others,another 辨析the other 表示特指两个或者两部份中的另一个或另一部分，可直接单数名词或复数名词。表示两个中的一个另一个时，常用one the other。例：He has two brothers, one is a teacher, the other is a doctor.There ar

21、e forty students in our class. twenty-one are girls, the other nineteen are boys.the others 特指某一范围内的其他的（人或物），是the other的复数形式，相当于the other+复数名词。the other + 复数名词 = any other + 名词单数。例：You two stay here, the others go with me. Im different from Jeff because Im louder than the other kids (any other kid)

22、in my class.other 作代词或形容词，可修饰可数名词单数或复数。例：We learn Chinese, Maths, English and other subjects.others 作代词，泛指“其他的人或物”。 例：Some students are doing homework,others are talking loudly.another 泛指同类事物中的三者或三者以上的“另一个”，只能代替或修饰单数可数名词。例：I dont like this one. Please show me another one. 2.find out 查明，弄清楚，find 找到 P

23、lease find out when Mrs Green will go to Beijing.3、 go on 发生，与 take place 同义I wonder what was going on. 4、happen v.发生，一般指偶然发生，主语为事，不能为人。Sth + happens to sb. A traffic accident happened to his elder brother yesterday.Sth + happens + 地点/时间，意为：某地/某时发生了某事An accident happened on Park Street.happen v，表示“碰

24、巧”，主语可以是人，后常跟动词不定式to,表示“碰巧”.Sb + happens to do sth.I happened to see my uncle on the street.* take place 意为“发生，举行，举办”，一般指非偶然性事件的“发生”，即这种事件的发生一定有某种原因或事先的安排。例：Great changes have taken place in China.The meeting will take place next Friday.5、expect v. 期待，盼望，预期，后常接四种结构：1)expect + 名词/代词，期待某事/某人，预计可能发生。Im

25、 expecting Li Lins letter.2)expect to do sth. 预计做某事Lily expects to come back next week.3)expect sb. to do sth.I expect my mother to come back early.4)expect + 从句 预计I expected that Ill come back next Monday.6、 serious a. 严肃的，认真的。 He is a serious man.be serious about sb/sth. 对某人/某事当真Peter is serious a

26、bout Jenny. He wants to get married to her.be serious about doing sth. 对某事当真 _Hes serious about selling his house.Unit 6 Im going to study computer science短语用法：want to do sth. be going to + 动词原形practice doing sth. keep on doing sth.learn to do sth. finish doing sthpromise to do sth. help sb. to do s

27、th.remember to do sth. agree to do sth.love to do sth.be going to 的用法1）be going to + 动词原形表示将来的打算、计划或安排。常与表示将来的tomorrow, next year等时间状语或when 引导的时间状语从句连用。各种句式变换都借助be 动词完成，be随主语有am, is, are 的变换，going to 后接动词原形。肯定句： 主语 + be going to + 动词原形 + 其他。He is going to take the bus there.否定句： 主语 + be not going to

28、 + 动词原形 + 其他 Im not going to see my friends this weekend.一般疑问句： Be + 主语 + going to + 动词原形 + 其他肯定回答： Yes, 主语 + be. 否定回答： No, 主语 + be not.Are you going to see your friends this weekend? Yes ,I am. / No, Im not.特殊疑问句： 疑问词 + be + 主语 + going to + 动词原形 + 其他？What is he going to do this weekend? When are yo

29、u going to see your friends?2) 如果表示计划去某地，可直接用 be going to + 地点We are going to Beijing for a holiday.3) 表示位置移动的动词，如go , come, leave 等常用进行时表示将来。The bus is coming. My aunt is leaving for Beijing next week.4) be going to 与 will 的区别：对未来事情的预测用“ will + 动词原形”表达，will 没有人称和数的变化，变否定句要在will 后面加not, 也可用will 后面加

30、not,或者缩略式wont, 变一般疑问句将will 提至 句首。Will planes be large in the future? Yes, they will. / No, they wont.will 常表示说话人相信或希望要发生的事情，而be going to 指某事肯定发生，常表示事情很快就要发生。 I believe Lucy will be a great doctor.陈述将来的某个事实用will. I will ten years old next year.表示现在巨大将来要做的事情用 will.Im tired I will go to bed. 表示意愿用will.Ill tell you the truth.表示计划、打算要做的事情用 be going to, 而不用 will.Im going to buy a computer this month.2、 promise vt. 保证，许诺。有三种结构：1)promise to do sth. _My mother promised to buy a piano for me.2)promise sb. sth. _ My aunt promised me a bike.3)promise + that 从句_ Tom promises that he can return on time