仁爱英语七年级上册第二单元知识点

1.have/has和is/are——用翻译法做题用法：①主语单三用has——Hehasapen./Janehasabighead./Yourmomhasapen.②主语是其它人称用have——They/We/AandBhavewidemouths.③单数名词和hair用is，复数名词用are⦿have/has的否定句、一般疑问句及回答Ihaveabighead.——Idon’thaveabighead./Doyouhaveabighead?

Yes,Ido./No,Idon’t.Hehasshorthair.——Hedoesn’thaveshorthair./Doeshehaveshorthair?

Yes,he(she)does./No,he(she)doesn’t.Theyhavewidemouths.—Theydon’thavewidemouths./Dotheyhavewidemouths?

Yes,theydo./No,theydon’t.2.助动词do（原形）和does（do的单三）——在否定句和疑问句中才出现⦿本单元动词及单三：have-has,look-looks,come-comes,like-likes喜欢,find-finds,buy-buys,think-thinks,want-wants,give-gives,know-knows①肯定句：主语单三，动词单三eg:Hehasapen./Janelookslikehermom./MariacomesfromCuba.②一般疑问句：动词单三，助动词单三（选Does放句首），同时动词还原eg:Doeshehaveapen?/DoesJanelooklikehermom?/DoesMariacomefromCuba?

一般疑问句的回答：Yes,he/shedoes.

No,he/shedoesn’t.③否定句：动词单三，助动词单三（选does放主语后，并加not），同时动词还原eg:Hedoesn’thaveapen./Janedoesn’tlooklikeher./Mariadoesn’tcomefromCuba.3.sb.+have/has(a/an)+形容词+五官=sb.’s五官is/are+adj.规则：①mouth,head,nose,face,neck别忘了前面加a（被my,his,her修饰不加）②eyes,ears,hands,legs,feet习惯用复数，前不能加a/an！！③hair不可数，不能加a或s，表示“头发是…”只能用is!⦿④多个形容词排列：先形状，后颜色——longblack/shortblond…对“长相，相貌”提问用Whatdoes…looklike?eg：Lilyhasasmallnose.=Lily’snoseissmall.Ihavebigeyes.=Myeyesarebig.

Hehasasmallmouth.=Hismouthissmall.

Janehaslongblackhair=Jane’shairislongandblack.4.Isee.=Iknow.我知道了——Idon’tknow.⦿knowsb.认识某人eg:IknowKangkang./her(him).——Idon’tknowhim/her.(动介之后用人宾)Doyouknowhim/her/Jane?

--Yes,Ido./No,Idon’t.He/Janeknowsher/him.——He/Janedoesn’tknowher/him.Doeshe/Janeknowher/him?

--Yes,he/shedoes./No,he/shedoesn’t.5.one代同类中的一个,ones代同类中的多个eg:①Thiscoatisnice,Iwantone,too.②Theapplesaregreen,Iwantsomeredones.6.comefrom&befrom来自于…一、二和复三人称：I/You/We/TheycomefromChina.=I/You/We/TheyarefromChina.

Doyou/TheycomefromChina?=Areyou/theyfromChina?

——Yes,I(we)/theydo./No,I(we)/theydon’t.单三：He/She/JanecomesfromAmerica.=He/She/JaneisfromAmerica.

Doeshe/she/JanecomefromAmerica?=Ishe/she/JanefromAmerica?

——Yes,he/shedoes./No,he/shedoesn’t.

Yes,he/sheis./No,he/sheisn’t.7.几组反义词：（表示转折，中间常加but）short-long/tall,short=notlong/tall

big-small,big=notsmallwide-small,wide=notsmall

young/new-old,old=notyoung/newthesame-different,thesame=notdifferent

boy-girl,man-woman8.You’reright.(Youareright.)=That’sright.表示赞同别人的话9.thesame+单数（同一个）different+复数（不同的，至少两个）

⦿adifferent+单数——Heisinadifferentschool.10.China(n.)中国,Chinese(n.)中国人,汉语(adj.)中国的eg:WearefromChina,weareChineseChineseteacher

Chineseboy/girl/man/womanEngland(n.)英国,English(n.)英语(adj.)英国的eg：TheycomefromEnglish,theyspeakEnglish.Englishteacher

Englishboy/girl/man/woman11.look(v.)看起来looks(n.)长相（固定加s）eg:lookthesame——They/AandBlookthesame.=They/AandBdon’tlookdifferent.lookdifferent——AandBlookdifferent.=AandBdon’tlookthesame.lookat

+名词——看某人/物——Lookatthisphoto/me.

Look!只是一个动作looklike——Helookslikeapanda.——Doeshelooklikeapanda?Whatdoeshe/she/Jane/Michaellooklike?重点辨析：havedifferentlooks

=lookdifferent=don’tlookthesamehavethesamelooks.=lookthesame=don’tlookdifferent12.give(v.)——givesth.tosb.=givesb.sth.eg:Givemoneytome.=givememoney.动介之后用人宾giveit/themtohim.⦿当某物是it/them时，只能用givesth.tosb.13.几个要注意的名词复数knife-knives——以f,fe结尾的，去f,fe加vesman-men,woman-women,snowman-snowmen——a改为ebaby-babies,family-families——以辅音字母+y结尾的，去y加iesboy-boys,toy-toys——元音字母+y结尾的，直接加sphoto-photos——除了hero,potato和tomato加es，其它o直接加s

特殊的：Women’sDay,manteacher-menteachers,womandoctor-womendoctors14.color(n.)颜色(v.)给…涂色用法：①Whatcolor+is+单数名词/hair?

--It’s...Whatcolor+are+复数名词?

--They’re...②Colorit+颜色——把…涂成…颜色——Colorit/thedressred.③RedandYellowis...两种颜色混合在一起成一种WhatisOrangeandblack?

It’s…(类似What’soneandtwo?

It’sthree.）④short(and)brown/big(and)red/long(and)blue先形状，后颜色⑤bein+color——表示“穿着...颜色的衣服”——Iam(Heis)inred/blue/yellow

beina/an+颜色+服装

表示穿（戴）着一件……颜色的服装⦿⦿Theboy/girlinred/blue/yellow常常接在名词的后面，表示“穿…颜色衣服的…（人）”eg：Thegirlinredismysister.Themaninablackcoatismyfather.

⑥orange(n.)橙子,橙色,greenhands新手,blacksheep害群之马,blacktea15.人称代词和物主代词主格IyouhesheitwetheyLucy宾格meyouhimheritusthem形物代myyourhisheritsourtheirLucy’s名物代mineyourshishersitsourstheirs步骤：用翻译法，是“某人”（人称单词）还是“某人的”（物主代词）

①是“某人”，人称代词的话，动介之后用人宾

②是“某人的”，看后面紧跟的词，是名词就用形物代（形容词修饰名词），如果不是名词，就用名物代，在末尾的一定是名物代16.名词所有格——…东西是…人的，在人名后加’s或s’(以s结尾的复数)eg:Jane’shairislong./IthinkthisdressisLily’s./ItisnotMike’sshirt.要点：①A’sandB’s表示两个人分别拥有（多个）,be动词用are，名词用复数eg:A’sandB’steachersareCandD.=A’steacherandB’steacher②AandB’s表示共同拥有（一个…），be动词用is，名词用单数eg:AandB’steacheris…③Whose+单数+isthis/that?=Whose+isthis/that+单数?Whose+复数+arethese?=Whose+arethese/those+复数?回答：It’smine/yours/his/hers/ours/theirs/Lily’s④几个节日——专有名词，首字母大写（注意是’s还是s’）Teachers’/Children’s/Women’s/Father’s(Mother’s)Day17.want+名词——想要某物，eg:Iwantapenpal.——Doyouwantapenpal?——Yes,Ido./No,Idon’t.

Hewantsadog.——Doeshewantadog?——Yes,he/shedoes./No,he/shedoesn’t.wantto+动词——想要做某事eg:HewantstovisittheGreatWall.(前面的want已经变单三，visit不再变!)Hedoesn’twanttovisittheGreatWall.DoeshewanttovisittheGreatWall?18.服装类单词①cap,coat,dress,skirt,T-shirt,shirt,jacket是单数，要加a（被my,his,her修饰不加）eg:He/Sheisinacap/coat/dress/skirt/T-shirt/shirt/jacket.Theboy/girl/man/womaninacap/coat/dress/skirt/T-shirt/jacketis…Iaminmyfavoritecap/coat/dress/skirt/T-shirt/shirt/jacket.②pants,shoes,socks,gloves是复数，作主语，be动词用are——Hisshoesareblack.apairofpants/shoes作主语时（因为是一条/双），用is——Apairofsocksishere.③clothes是服装的总称，始终是复数——Yourclothesarenice.19.

helpsb.dosth.帮助某人做某事①当某人sb.是代词时，必须用宾格，helphim/her/us/them.②do指的是动词原形——Hehelpsmestudy./Shewantstohelphimcleanrooms20.Ithink+完整的句子

我认为……eg:Ithinkyouareright./I