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1、Unit 2 重要知识点及练习重要知识点及练习一、情态动词should “应该、应当” could “可以、可能、会”后面都要跟动词原形 。肯定句例句：主语+ should +动词原形否定句例句：主语+ shouldnt +动词原形.一般疑问句例句：Should +主语+动词原形?特殊疑问句例句： 疑问词+should+主语+动词原形? 练习:1.We should call him up (改为否定句） We _ _ him up.2.She should join a club .(对划线部分提问） _ _ she _?3. He should say sorry to her.（改为一般
2、疑问句） _ he _ sorry to her?4. Tom should _ (pay) the book 12 yuan.shouldnt callWhat shoulddoShould saypay二、区别pay spend take cost “花费“ sb.pay for 付款 花费钱，人做主语 sb.spend时间/钱on +sth. =spend时间/钱.( in) doing sth. 花（时间/钱）用于做某事 It takes sb. sometime to do sth. 某人做某事花的时间 sth. cost (money) 某人花钱为了某事练习练习1.译：我花了10元
3、买这本书。（四种）a. I _ 10 yuan _ this book.b. I _ 10 yuan _ this book.c. I _10 yuan (in) _ this book.d. This book _ me 10 yuan. 2.She spent 800 yuan on her summer Camp.(写出同义句）She _ 800 yuan _ her summer camp.paidforspentonspentbuyingcostpaidfor三、辨析either、as well、too、also “也”1.either “也“ 用于否定句尾， 一般用逗号与前句隔开。
4、如; I dont like the movie , either.2. too “也” 用于肯定句尾， 一般用逗号与前句隔开。如; I like the movie , too.3. also “也“用语句中。如： I also like the movie.4. as well” 还有、也”，用于句尾。如： I like swimming、running、skating as well . 练习：用 “too either also as well” 填空：1.He can _ drive a car.2.I should study hard , _ .3.They wont be ab
5、le to get there , _.4.She went Shanghai 、Beijing 、Suzhou _.5.Kate will be able to be a college student in six years, too.（改为否定句） Kate _ be able to be a college student in six years, _tooeitheralsoas welleitherwont四、need “需要”1.情态动词 need +动词原形。如： He need see a doctor. 用于回答must 一般疑问句 如: Must I do my ho
6、mework first ? 肯定回答：Yes ,you must . 否定回答：No, You neednt2. 实意动词 need to do sth. need sth. 如: I need to get some money to pay for summer camp. He needs your help.五、区别 ”look for 、 find、 find out 、look after “1. look for”寻找“，指”找“的过程 。如： He is looking for his ID card.2. find “找到”，指找的结果。如： He looked for h
7、is ID card everywhere, but he didnt find it.3.find out “找到、发现“ 如； I just found out that my friends were planning a birthday party for my best friends.4.look after “照顾、照看” 如： He must look after her brother.练习:用look for 、find 、find out 、 look after填空1.I thought I failed my test but I just _ I passed.2
8、.I looked for my ID card everywhere ,but I didnt _ it.3.- What are you doing ? - I am _ my book.4. She had to _ her mother becauseshe was ill.looking forfindlook afterfound out六、”the same as 、 like、 asas 、look like”的区别1.the same as 与一样 如:Her clothes are the same as mine.2. like 喜欢 如： I like swimming
9、. like 像 如: Whats the weather like ?3.asas 与.一样如： I run as fast as him.4.look like 看起来像 如; He looks like her mother.注意注意：The same as 可以与as.as 互换 如：John is as old as Joan.（同义句）John is the same age as Joan.七、except 、 besides “除外”区别：1.except “除之外”，不包括后者。如: I may go out every day except Sunday. 除周日外我每天可
10、以外出。2. besides “除之外还有”, 包括后者。He is good at Chinese , math , history besides English.除了英语，他还擅长语文，数学和历史。【练习】（1） We go to school _ Saturdayand Sunday.(2) We study Chinese ,math, history ,geography,_ physics.exceptbesides八、else 、 other “别的、其他的”区别;1.else 用在疑问词、不定代词后 如： Who else knows the person.Do you wa
11、nt anything else ?2. other 用在名词前 如：What other thing do you want ？（= What else do you want ？）九、辨析leave 、 forget “忘记”1.leave 常用于leave sth. somewhere.把某物遗忘在某地2.forget 指忘记一件具体的东西，一般不接具体的地点【练习】（1）you _ your homework at home .(2) Dont _ anything in the hotel.(3) -Sorry , Mr Green. I_ my homework . I _ it
12、at home .leftleave forgotleft十、borrow 、lend 、 keep “借“的区别：1.borrow “借进” 构成词组borrowfrom.“向借进 如：He borrowed a book from me .2. lend “借出” 构成词组lend to“把借给” 如：I lent a book to him.3.keep 借（可以长时间拥有）（跟一段时间）如：How long may I keep the book?十一、 surprise 、 surprised 、 surprising的用法1.surprise“ 使.惊奇” 如：The movie
13、surprised me .2.surprised“惊奇的” 修饰人 如：3.surprising “令人惊奇的”修饰物/事 如：I am surprised when I heard the surprising news类似的词还有很多bored/boring（无聊的） excited/exciting（激动地） relaxed/relaxing （放松的）interested/interesting（有趣的）【练习】(1)She was _ when she heard the _ news.(2) We were _ when we heard the _ news.surprised
14、surprisingsurprisedsurprising十二、enough “足够的“1.用在形容词、副词后 如： big enough 足够大 large enough 足够大beautiful big 足够漂亮2.用在名词前 如： enough people足够多的人enough students 足够的学生【练习】( )The new meetingroom is _ to let _ in.A.large enough; much peopleB.enough large ;enough peopleC.large enough; enough peopleD.enough larg
15、e ;many people C十三、return “归还、回归“1.return sth.归还某物=give sth. back return sth. to sb. 把某物归还给某人=give sth. back to sb.2.return 回归=come/get/be back 【练习】1.Please remember to _ the book to him.2.Please remember to _ the book back to him.returngive十四、同义句转换中的 “to” “for”give sb. sth. = give sth. to sb.给某人某物(
16、类似动词： lend, pass, sell, send, show, write, 等)即lend sb. sth. =lend sth. to sb.把某物借给某人 pass sb. sth. = pass sth. to sb.把某物递给某人 sell sb. sth.=sell sth. to sb.把某物买给某人 send sb. sth. = send sth. to sb.把某物送给某人 show sb. sth. = show sth. to sb.把某物出示给某人 write sb. a letter =write a letter to sb. 给某人写信【练习】I len
17、t him my pen .(同义句) I _ my pen _ him.(或者：He _ my pen _ me.lenttoborrowedfrombuy sb. sth. = buy sth for sb买给(类似动词 cook, get, make, order, 等)即:cook sb. sth.= cook sth. for sb.做饭给get sb. sth.= get sth. for sb.买给 make sb. sth. =get sth. for sb.制作给 order sb. sth. = order sth. for sb.订购给【练习】1.The boy need
18、s some money to buy his father a gift.(改为同义句）The boy needs some money to _ a gift _ his father.2You should get him a watch ? .(改为同义句） You should _ a watch _ him.getforbuyfor十四、until “直到“not until” 直到才” “不到不”1.He went to bed after his mother got back.(改为同义句）He _ go to bed _ his mother got back.2.He didnt go to bed before his mother got back.(改为同义句）He _ go to bed _ his mother got back.3.We will have a party after she comes back . (改为同义句）We _ have a party _ she comes back .untiluntiluntildidntwontdidnt