最新人教版八年级下册英语全册知识点大全Unit 1重点短语:have a stomachache have a cold lie downtake one’s temperature have a fever go to a doctorto one’s surprise agree to (do sth.)get into troublebe used to take risks run out (of)cut off get out of be in control ofkeep on ( doing sth.）give up语言知识归纳：1. What’s the matter (w ith you)?此句用来询问别人的病情。
类似的句子还有：What’s wrong with you?/ What’s the trouble?matter作动词用，意为“要紧”“有关系”，主要用于疑问句和否定句。
What does it matter? It doesn’t matter.【例题】Does it ________ if we can’t finish it today?A. mindB. mindsC. matterD. matters2. I have a sore throat.have “患病”，常用“have a /an+ 名词”.have a cold have a fever have a sore backhave a stomachache have a cough【例题】( )---Does he often have ______ cold? ---Yes. He also _____a cough and a sore throat.A. a; hasB. /; hasC. a; haveD. /; have3.Lie down and rest! 躺下休息lie down 躺下4.That’s probably why. 那可能就是原因。
probably意为“很可能，大概”，表示的可能性很大，是一种近乎肯定的意思。
5.hurt v.使受伤；伤害；疼痛He hurt his leg when he fell. 他摔伤的时候伤了腿。
My feelings were hurt when he didn’t ask me to the party.他没有请我参加聚会使我很伤心。
6.The bus driver, 24-year-old Wang Ping...公交车司机，24岁的王平……24-year-old 是用连字符连接数字和名词所构成的一个形容词结构，意思是“24岁的”。
（名词必须用单数，常用在名词前做定语）【例题】A____girl named DongXinyi looked after her disabled father.A. three-year-oldB. three-years-oldC. Three years old7.expect vt. 期待；预期；期盼两者都有期待的意思look forward to doing sth.I’m looking forward to seeing Tom.8.But to his surprise...但是令他吃惊的是……to one’s surprise 表示“令人惊奇的是……”，相当于“主语+be+surprised”To his surprise, he found the girl was bind.= He was surprised to find the girl was blind. 令他惊奇的是，他发现这个女孩是个盲人。
【拓展】in surprise表示“惊奇的”，相当于副词性短语，用来修饰动词。
The two girls looked at each other in surprise. 那两个女孩惊奇地互相看着。
be surprised at表示“对……感到惊讶”。
We are very surprised at the news. 听到这个消息，我们很诧异。
surprising 表示“使人惊奇的”，作表语时，主语是事物。
9.They don’t wa nt any trouble. 他们不想惹麻烦。
① trouble用作名词，意为“烦恼，困难，麻烦，疾病等”。
His life is full of trouble. 他的生活充满了烦恼。
What’s the trouble? 怎么了？② trouble用作动词，意为“麻烦，打扰”。
I’m sorry to trouble you.抱歉打扰你。
【拓展】与trouble相关的短语in trouble处于困境中get into trouble陷入困境Have trouble (in) doing sth. 做某事有困难【例题】-How is your English study? -Not bad. But I_____learning English grammar.A. am interestedB. am good atC. have a little troubleD. have no trouble10.辨析used to do sth. 与be used to sth. / doing sth.↓ ↓过去常常…… 习惯于某事/做某事We used to draw pictures badly.You will get used to the weather here.In the end, I got used to doing hard work.11.辨析run out 与run out of人+ run out of They have run out of the water.物+ run out (不可用于被动语态）The money is running out.【例题】选出能代替句中画线部分的一项( ) Yesterday I used up all the salt to cook dumplings. I need to buy some now.A. ate upB. run out ofC. ran ofD. ran out of12.make decisions = make a decision 作出决定decision为decide的名词形式make a decision to do sth. = decide to do sth.13.be in control of 管理；控制A teacher should be in control of his class.重点语法：情态动词should的用法（1）should后接动词原形，变否定句在should后加not, 变一般疑问句时将should提前。
（2）should常用于以下两种情况：①提出建议You looked tired. You should lie down and rest.②表推测，意为“该，按理应当”。
Wait a minute. I think he should come in a minute.Unit 2 I’ll help to clean up the city parks.重点短语:clean up by oneself cheer upput off give out put onused to give away take afterset up make a difference care forcome up with语言知识归纳：1. give out 分发，发放【拓展】give构成的短语还有：give away 赠给，赠送give in 屈服，投降give up 放弃give off 发出（气味、光、热等）e up with 提出，想出(1)表示“想出或提出”，相当于think ofI think she can come up with a good idea(2)come up with还可表示“赶上”,相当于catch up with.We should study hard to come up with them【例题】( ) We must _____a plan to improve your math.A. pick upB. catch up withC. come up withD. make up3. I’v run out of it. 我已经把它用完了。
run out of 表示“用完，用光”，其主语一般是人。
【拓展】run out of 还可表示“从……跑出来”。
Bill ran out of the room. Bill从房间里跑出来。
run构成的短语还有run away 逃走run after追赶run into difficulties遇到困难【例题】( ) When your money____, please come to me for some.A. runs out ofB. runs outC. is running out ofD. is run out4.I take after my mother.我长得像我妈妈。
【辨析】take after 与look liketake after意为“长得像，行为、性格等像”,尤其是像自己的长辈。
The boy takes after his father. 这个男孩长得像他爸爸。
look like 可以用于所有场合，既可指人也可指物，仅指外表看上去像。
The man looks like our teacher. 这个男的看起来像我们的老师。
The rainbow looks like a bridge. 彩虹看上去像一座桥。
【拓展】take 构成的短语take up take off take placetake one’s time take care【例题】( ) -You’ve really beautiful blond hair. -Thank you. I ____my mother.A. look afterB. take afterC. take fromD. look for语气。
翻译短语位at most,意为“至多，最多”。
He kept me waiting at least an hour.There were fifty people there at most.3.all the time 一直；总是Things are changing all the time.事情一直在变化。