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1、Unit 3 精讲笔记A,知识点1Sam plays them better than Tom.萨姆比汤姆敲的好。【讲解】better意为更好地，较好地，在此处是副词well的比较级,修饰动词play。Good better best Well-better-best 比较级往往用在两者之间的比较，最高级用在三者或三者以上比较 She sings very well,but Jim sings better than her.她歌唱的很好，但是吉姆比她唱的更好。【即学活用】No one can sing_ than her.A.good B.well C.better D.best,知识点2S
2、am has longer hair than Tom.萨姆的头发比汤姆长。【讲解】（1）这是一个含有形容词的比较级的句子。比较级用于两者或者两类事物的比较，意为更，较。通常用从属连词than连接，表示比较。She has more books than he does.她的书比他的多。（2）than是从属连词，意为比，用于形容词或副词的比较级之后，引出比较的对象，并且比较的对象前后要一致。He is taller than me.他比我高。（3）比较级的结构：A+be+形容词比较级+than+B；A+have/has+形容词比较级+名词+than+B My bike is more expe
3、nsive than that one.我的自行车比那个贵。I have shorter legs than Pipi.我的腿比皮皮的腿短。,【即学活用】1.The box was _than I thought.I was out of breath(气喘吁吁)when I got home.A.more heavier B.much heavier C.heavy D.very heavy2.Jimis40kg.Tomis38kg.Tomis_thanJim.A.tallerB.thinner C.heavier D.fater3.根据中文完成句子.(1)我比我的弟弟大三岁.Im_ tha
4、n my brother.(2)这棵树要比那棵树高.This tree_ than that one.(3)你比他矮.You are_ than him.(4)他比你更强壮.He is _than you.,知识点3.形容词比较级和最高级规则变化,【即学活用】（一）比较级与最高级形式：long_ _ wide _ _ heavy_ _ slow _ _ few_ _ happy_ _ unhappy_ fat _ _ far_ _ quickly _ _badly _ _brightly_ _(二)用所给词的正确形式填空：1.Of the two girls,I find Lucy the _
5、(clever).2.Gold(黄金)is _(little)useful than iron(铁).3.My sister is two years _(old)than I.4.Johns parents have four daughters,and she is the _(young)child.5.The _(cheap)bags are not usually the best ones.6.The short one is by far _ expensive of the five.7.The boy is not so _(interesting)as his brothe
6、r.8.Dick sings _(well),she sings _(well)than John,but Mary sings _(well)in her class.9.She will be much _(happy)in her mew house.10.This dress is _ than that one.(expensive),知识点4 比较级的常用句型结构：1.A+be+形容词比较级+than+B(A比B.)A+实义动词+副词比较级+than+B Tom is taller than Jim.I got up earlier than my mother.2.A+be+(倍
7、数)+形容词比较级+than+B(A比B几倍)A+实义动词+(倍数)+形容词比较级+than+B This room is three times bigger than that one.He runs three times faster than his brother.3.A+be+the+形容词比较级+of the two+复数可数名词(A是两者中比较的)Look at the two boys.My brother is the taller of the two.4.比较级+and+比较级/more and more+原级(越来越)He is getting taller and
8、 taller.She is more and more beautiful.,5.the+比较级，the+比较级（越,越）The more you careful,the fewer mistakes you will make.6.疑问词+be+形容词比较级，A or B？Which is bigger,the earth or the moon?7.疑问词+实义动词+副词比较级，A or B？Who draws better，Jenny or Lucy？常接的修饰形容词比较级的前置词有：Much/a lot/far+形容词比较级(得多)a lot better 好多了 A bit/a l
9、ittle+形容词比较级(稍微)a little earlier 早一点 Even+形容词比较级(甚至更)even more useful 甚至更有用,【活学即用】1.Tony is not as clever as Lucy,but he works_ than her.A.hard B.harder C.hardest D.the hardest2.This room is too small,we should find a _one.A.big B.smaller C.bigger D.biggest3.the more you smile,the_ you will feel.A.h
10、appy B.happier C.happily D.more happy4.who is _,you or he?A.clever B.cleverer C.cleverest D.more clever 5.Jack runs as _as Sam.A.faster B.fast C.fastly D.more fast6.她越来越漂亮了_,知识点5 Thats Tara,isnt it?那是塔拉，是吗？【讲解】本句式反意疑问句。反意疑问句是指陈述句后附加一个简短问句，征询肯定或否定的意见，或者希望陈述句所说的内容得到证实。反意疑问句的结构如下：(1)肯定的陈述句+否定的简短问句 She
11、is a good student,isnt she?她是个好学生，是吧？-Yes，she is.是的，她是。-No,she isnt.不，她不是。(2)否定的陈述句+肯定的简短问句 Pipi didnt go to school yesterday,did he?皮皮昨天没有去上学，是吧？-yes，he did.不，他去了。-no，he didnt.是的，他没去。回答反意疑问句，答语含义是依据。肯定事实用yes，否定事实no来替。,【即学活用】1.He didnt go to the park yesterday,did he?-_.He was ill yesterday.A.Yes,he
12、 did B.No,he did C.No,he didnt D.Yes,he didnt2.Theres not much news in todays paper,_?A.isnt it B.are there C.is there D.arent there 3.The manager came here in a car,_?A.was he B.did he C.wasnt he D.didnt he4.You are not a new member,are you?-_.I joined only yesterday.A.No,Im not B.Yes,Im not C.No,I
13、 am D.Yes,I am,知识点6Tara works as hard as Tina.塔拉学习和蒂娜一样努力。【讲解】Asas 意为和一样,asas中间用形容词或副词的原级(as+形容词原级/副词原级+as）,其否定结构为not asas，意为不像那样I gets up as early as Jim.我和吉姆起得一样早。She isnt as beautiful as you.她没你漂亮。同级比较口诀：同级比较用原级，asas 永不离 若是否定加not，asas否前者 not加在asas前，说明两者有区别 not加在soas前，后者总比前者强。【即学活用】Lihuas shoes ar
14、e as _as Zhanghuis.A.cheap B.cheaper C.cheapest D.not cheap,知识点7Oh,which one was Lisa?哦，哪一个是丽莎？【讲解】Which在此问句中做形容词，后跟名词，意为哪一个。which city does she live?她住在哪一个城市？Which还可做疑问代词：which is your best friend,Tom or Lucy?哪一个是你最好的朋友，是汤姆还是露丝？【即学活用】你想要哪一个苹果？_,知识点8Hard-working，hard work，work hard【讲解】【即学活用】The _boy
15、 always does _and _.A.hard-working,works hard,hard work B.works hard,hard-working,hard work C.hard-working,hard work,works hard D.works hard,hard-working,hard work,知识点9You can tell that Lisa really wanted to win,though.不过，你能看出来，丽莎真的很想赢。【讲解】(1)Though在此做副词意为可是，不过，然而，常用于口语 中，一般放在句尾。It was a hard job.He
16、 took it,though.这是分苦差事，可他还是接受了。(2)Though还可做连词，意为虽然，尽管，引导让步状语从句，此时可以和although互换 Though/Although he was ill,he worked hard.虽然他生病了，但是他仍然努力工作。(3)though/although 表示虽然，尽管时，不能和but连用在一个句子中。(与此类似的还有because和so),【即学活用】1._Lin Feng has to work late,_ he always wears a smile on her face.Because,so B.though,but C.
17、Although,but D.Though,/2.She always buys cheap clothes_ she is rich enough.A.although B.but C.though D.and 3.虽然你比他高，但是你没他强壮。_than him,_4.虽然他是一个努力学习的学生，但是他没有Lucy聪明。_5.因为他起床晚了，所以他不想去上学了。_,Unit 3 精讲笔记B,知识点1Truly cares about me.确实关心我【讲解】(1)Care about 是动词短语，意为关心，在意。Care用作动词对在意，相当于mind，about为介词，后接动词ing形式
18、care for 喜欢 take care=be careful 小心，当心 take care of 照顾，照看(2)truly为副词，意为真正，确实，常位于系动词、情态动词、助动词之后，实义动词之前。【即学活用】I hope everyone can care about_ the environment and stop _things.A.Protecting，wasting B.protecting，to waste C.protect，wasting D.protect，to waste,知识点2Makes me laugh 使我笑【讲解】（1）Make 使役动词，意为使，制作，让
19、.Make sb.do sth.让某人做某事，make后接不带to的不定式作宾语补足语。常用结构：1.make+宾语+动词原形（宾补）让做某事 2.make+宾语+形容词（宾补）使（2）此处Laugh作不及物动词，意为发笑，常用短语 laugh at sb.嘲笑某人 Dont laugh at me!不要嘲笑我！【即学活用】1.You look so tired.-My mother makes me _playing the piano for 2 hours every day.A.practice B.to practice C.practicing D.practiced2.His t
20、alk show is very funny.It always makes people_.A.laugh B.laughing C.laughed D.to laugh,知识点3Thats why I like reading books and I study harder in class.那就是我为什么喜欢读书而且在班里学习更努力的原因【讲解】（1）thats why 意为那就是的原因，常用于句首，后面常接结果。Why引导的句子在此句中作be动词的表语，是表语从句 I got up late,and thats why I missed the bus.我起床晚了，那就是我没赶上公共
21、汽车的原因。（2）thats because表示那是因为,后面常接原因 He missed the bus;thats because he got up late.他错过了公共汽车，那是因为他起床晚了。【即学活用】她生病了，那就是她昨天没有去上学的原因。_,知识点4Im shy so its not easy for me to make friends.我很害羞，所以交朋友对我来说并不容易。【讲解】(1)Its+adj.+for sb.to do sth.是固定结构，意为做某事对某人来说是的，该结构中it是形式主语，真正的主语时后面的动词不定式to do结构。句中的形容词为描述事物特征的词
22、，如easy，difficult，hard，important，dangerous，necessary等表示对某人而言时，其后的介词用for(sb.)Its very important for us to eat a lot of vegetables every day.(2)当此句型中的形容词是描述人物品质及性格特征的词，如kind，clever,good,nice,polite,helpful时其后用介词of(sb.)It is kind of you to help me with my English.你真善良,帮我学英语【即学活用】对我来说，学英语很难_你真乐于助人，帮我做家庭作
23、业 _,知识点5I dont really care if my friends are the same as me or different我真的不在乎我的朋友是否和我一样或与我不同【讲解】(1)If 在此作连词，意为是否，if在此引导的句子是主句I dont really care的谓语动词care的宾语，所以叫做宾语从句。I dont know if he is at home.我不知道他是否在家(2)if 可以意为如果，引导条件状语从句。此时主句为一般将来时，if引导的条件状语从句用一般现在时（主将从现）If it rains tomorrow,I will not go there
24、.如果明天下雨，我就不去那了。(3)the same as 意为和一样,其反义短语为be different from【即学活用】This time I dont know if I _the exam.If I_ the exam,I will have a great vacation.A.pass,pass B.pass,will pass C.will pass,pass D.will pass,will pass,知识点6Im different from Jeff because Im louder than the other kids in my class.我与杰夫不同，因为
25、在班里我比其他的孩子声音更响亮【讲解】The other kids=any other kids 其他的孩子,1.he has two brothers;one is a teacher,and the other is a doctor.他有两个哥哥，一个是老师，另一个是医生。2.You two stay here,and the others go with me.你俩留在这里，其余的人跟我走。3.We learn Chinese、math、and other subjects.我们学习语文、数学和其他的科目。4.Some students are doing homework,and o
26、thers are talking loudly.一些学生在做作业，其他的在大声说话。5.I dont like this one.Please show me another.我不喜欢这个，请让我看看另一个。【即学活用】Whats on_ side of the mountain,Mum？-A big lake.A.other B.others C.another D.the other,知识点 7 重点短语、搭配1.be similar to 与相似的 touch ones heart 感动某人2.get better grades 取得更好的成绩3.the most important 最重要的4.reach for ones hand 伸手帮某人一把5.be talented in sth.在某方面有天赋6.bring out 使显现；使表现出，出版，生产7.as long as 只要，既然 be like 像，和一样8.both用在系动词、助动词、情态动词之后，实义动词之前9.both and连接两个成分做主语时，谓语动词用复数形式10.both of+人称代词的宾格或复数名词，做主语时，谓动用复数11.should 是情态动词，意为应该，后接动词原形，否定+not,
