最新人教版八年级下册英语第一单元知识点

1、人教版英语八年级下 Unit 1 What s the matter一、重点单词及用法1. foot-feet 单复数的考察常用复数 同： tooth-teetheg： Look,my fare very big,but the new shoes are so small.2. stomach 变复数 词尾直接 +s stomachseg： The children can t eat too much ice-cream because it s bad fortheir s3. X-ray 冠词考察无特指情况下用 an X-ray4. lie躺-lay （过去式）-lying （现在分词

2、）躺lie down躺下eg： They are （ lie） on the beach and having a good time5. passenger 乘客 复数 passengerseg： There were ten on the bus at that time.6. bandage n.绷带v用绷带包扎eg: Can you put the bandage on the cut （改为同义句）Can you yourself7. Kilo 复数 kiloseg： How many of tomatoes do you want8. knife 复数 kniveseg： Don

3、t play with may cut your fingers.9. death n.死亡die v.死亡-died （过去式）-dying （现在分词）dead （形容词死 亡的）eg： The dog s made him very sad.10.sick 生病的 既可以作 表语 又可以做定语be sick =be illeg： We are going to visit children in hospital.二、重点短语have a cold =catch a cold =have the flu 感冒 cough 咳嗽take one s temperature 量体温lie d

4、own 躺下have a fever 发烧get off 下车-get on上车to one s surprise 令某人惊讶的是get into (trouble)陷入(麻烦)be used to (doing) 习惯于 适应于run out (of)用完用尽get out of 离开从出来give up (doing) 放弃(做)某事get an X-ray 做一个X射线检查in time 及时 on time 准时fall down 摔倒put on把.放在上三、用法总结1. need to do sth需要做某事right away 立亥U 马上=right nowget sunbur

5、ned 被晒伤take risks/a risk 去冒险cut off切除be in control of 掌管 管理have a stomachache 胃痛thanks to由于多亏think about 考虑 think of 认为make a decision 作决定be interested in 对感兴趣take/have breaks/a break 休息=take/have a rest eg: The teacher needs(rest) for a few minutes.like 意为“听起来像”后接 n./adj./句子eg: It sounds likea good

6、 idea.类似的感官动词 +like: feel like/smell like/ look like/taste like/seem likesound+adj.结构中，sound是系动词意为“听起来是” 后接形容词 eg： That sounds great.+n./doing (v.现在分词) He went to school without having breakfast.eg： He left the classroom without anythingv.同意，赞成agree with sb/ 某人的意见 看法Does she agree with usagree to do

7、 sth同意做某事They agreed to solve the blems (in) doing sth 做某事有困难=have trouble/difficulty (in) doinghave problems with sth =have trouble/difficulty with sth 在某方面有困难 eg: One of my good friends said he had problems(learn) English.get used to doing sth 习惯于做某事eg: He used to get up late,but now he

8、 is used to getting up early.used to do sth过去常常做某事(现在不做了)eg: He used to read English in the evening.use sth to do sth使用 用某物做某事eg： So heused knife to cut off his arm.be used to do sth被动 被用于做某事eg: These new pensare used to paint the wall.one s life丧失生命 save one s life挽救某人的生命eg: He lost his life in the

9、 car accident.adj.足够的 充足的 后接名词n. enough moneyadv足够地 修饰形容词/副词enough要后置eg: The book is,but I doH t have enough money eresting; to buy enough; to buyenough; buying interesting; buying9. the importance of (doing)sth (做)某事的重要性 important adj.重要的 unimportant adj.不重要的 importance n.重要性eg: We students s

10、hould know the importance of (learning)English.n.决定 make a decision (to do sth)decide to do sth决定做某事decide not to do sth决定不做某事eg: Tommade a decision to studyEnglish well.up放弃give up是动词+副词结构 接代词作宾语时 代词放中间eg: The problem is so difficult for you,but don tA. give it up it out up it out itgive up doing s

11、th 放弃做某事eg: You will be very sad if you give up(sing).用法keep on doing sth继续做某事(中间有间隔 强调重复性)eg: He kept on studying though he was very tired.keep doing sth继续不停地做某事(不间断连续性)eg: Keep walkinguntil you reach the end of the road.keep sb doing 让某人一直做某事eg： Don，t keep the other students waiting.keep sb from d

12、oing sth 阻止某人做某事eg： We should keep the little boy from stepping on the grass.用法find找到，强调寻找的结果look for强调寻找过程find out找出查明 eg： I was looking for my watch, but I didn t find it.find sb doing sth发现某人正在做某事eg: When I walked along the road,Ifound an old man shouting for help.find it +adj形容词+to do sth发现做某事是的

13、eg: She found it hard to finish the work by herself.risks=take a risk 冒险 He likes taking risks.risk one s life to do冒着生命危险去做某事eg： He risked his life to savethe child.risk doing stheg: The man called Tom oftenrisks flying over the sea.四、短语辨析1. see sb doing sth看见某人正在做某事（动作正在发生）see sb do sth看见某人做某事（看到动

14、作全过程或者经常看到动作发生）eg: I saw the boy crying when I passed by （路过）.类彳以的 hear/watch/notice/find+sb do/doing sththanks to 多亏. 由于.=with the help of/with one s help=because ofthanks for因而感谢强调感谢的原因eg: Thanks tomy teacher ,I passed the exam.Thanks foryour help .Thanks for inviting me.2. in time及时 表示动作在规定时间内或比规

15、定时间提前发生on time准时按时指正好在规定时间内eg： Thanks for coming here to help mein time.The train arrived into the station on time.火车准时进站了。3. think about 考虑 think of 认为；想起eg: I only thought about saving the boy without thinking about anything.The picture makes methink of my grandfather.What do you think of your Eng

16、lish teacher=How do you like your teacher4. too many ; too much; much too;too many ;too much 修饰名词 too many+可数名词;too much+不可数名词eg： too many people too much water/homeworkmuch too修饰adj.形容词eg： Don t eat junk food,or you will be fat.A. much too;too much many;too many much;much too much;too many5. intere

17、sting有趣的一般修饰物interested感兴趣的一般修饰人习惯用法：get/become/be interested in sth/doing sth 又t感兴趣eg： She becameinterested in singing songs.The story is interesting and all of us areinterested in it.6. because连词 后接句子because of介词短语后接名词/动名词/代词eg： I didn t go out last night because ofthe heavy rain.=I didn t go out

18、last night because让 rained heavily.7. so.that.如此.以至于.引导结果状语从句so that以便，为了引导目的状语从句eg： She isso young that she can t dress herself.（结果）The teacher spoke loudlyso that everyone could hear him clearly.（目的）so +adj/adv +that 从旬=too+adj/adv+to do sth （太而不能 ）She istoo young to dress herself.8. be in control

19、 of控制管理 主动；反义词组-be out of control无法管理be in the control of被控制管理 在的控制之下 被动.eg: A teacher must be in control of his class.9. run out of 用完，用尽 人作主语We have run out of our money.run out 用完，用尽 物作主语 主语一般为时间金钱Our time is runningout.10. sick生病的，有病的 可以作表语 也可以做定语川生病的，有病的 只可以作表语 比较级为worse最高级为worst illness名词生病eg：

20、 She caH t go to school because she isill/because of her illnessPlease take good care of thesick boy.11. expect/wish/hopeexpect 预计； 期望，希望 expect to do/expect sb to do sth/expect+that 从旬eg： He expects to win the prize.wish 希望；祝愿 可能性较小wish to do sth/wish sb to do sth/eg： I wish to fly in the sky.hope可

21、能性较大 希望 hope to do sth /hope +that从句（没有 hope sb to do sth） eg： I hope to see you soon.12. get off下车get on上车多指从公交车火车飞机下来空间大的交通工具get out of从.出来get in上去 指上下小型交通工具汽车 出租车eg: Lucy isgetting on the bus while I am getting off.13. fall(fell) down 与 fall offfall down意为“倒下”，在平面摔倒；fall off意为“跌落”强调从某处掉了 下来联系 fal

22、l down from (从摔下)=fall off eg: When the little girl ran across the street,shefell downHe fell off the bike and broke his legs.四、语法大点1 .询问对方哪里不舒服，或者遇到什么麻烦以及回答问： What s the matter （with you ） =What s the troubl （with you）=What s wrong （with you） =What happened （to you）=What s up （with you）答：I have a c

23、old （感冒）=I get a cold =I catch a cold= I have the flu.have a bad/terrible/heavy cold （重感冒） have a little cold （轻感冒）I have a fever （发烧）I have a cough （咳嗽）I have a stomachache/headache/toothache/backache 胃痛/头疼/牙疼/后背I have a sore throat/sore knee/sore feet （嗓子疼 /膝盖疼 /脚疼）2 .情态动词should意为“应该”课本原旬： You shouldn t eat so much next time.He should lie down and rest.He should a dentist and get an X-ray.Should I put some medicine on it注意： should 没有人称和数的变化它和其后的动词原形一起做谓语句式变化：肯定句：主语+should+动词原形+其他eg： You should read his new book.否定何：主语+should+not+动词原形+其他eg： You should