资源描述:
《必修四第一单元语法.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Usefulstructures语法详解:所谓主谓一致是指主语和谓语动词之间,即主语的人称和单复数形式决定着谓语动词对应的形式。Theboy___diving.They____diving.BothJackandTim___diving.Allofthem____diving.NeitherJacknorTim___walking.isareareisareFinishthefollowingexercises:BobBob_____aworker.isMikeMikeandBob_____workers.areBothMikeandBob____workers.areNeither
2、MikenorBob___ateacher.isBillNeitherofthem___________(know)howtoteachEnglish.knows/knowAllofthem______workers.Noneofthem___________(know)howtoteachEnglish.areknows/know主谓一致主要有以下几种情况:1.and连接两个或两个以上单数名词或者代词作主语的时候,谓语动词有以下两种情况:Heandshe_____bothstudentsofthisschool.Tomandmaryaregoodfriends如果指两个或两个以上不
3、同的人或事物的时候,谓语动词用复数。一、语法一致原则are(2)但如果连接两个以上的名词指的是同一个人或物,或者指同一概念的时候,谓语要用单数。1.Thewriterandsingerhascometoourschool.Theknifeandfork____onthetable.刀叉在桌子上。Saltandwater盐水needleandthread针线breadandbutter黄有面包表示一种事物(3)有and连接的单数并列主语前有no,each,every,manya修饰后用单数例如:noboyandnogirllikethebookeachboyandeachgirlher
4、eisclever2.如果主语是单个不定式,动词ing形式或从句的时候,谓语动词一般用单数。Whenheiscomingseemsveryimportant.他什么时候要来看起来很重要。Collectingstampsishishobby.收集邮票是他的爱好。Tolearnenglishwellisveryimportantwherehecomesfromandwherehewillgoarenotknown.3.with,alongwith,togetherwith,aswellas,besides,ratherthan,like,without,except,but,includ
5、ing谓语动词的数看这些词前的主语例如:Theteacher,togetherwithhisstudents,isplantingtreesinthestreet.hisparentsaswellashearegoingtotakeatrip4.定语从句的关系代词who,which,that在从句中作主语时,要与先行词的人称和数保持一致。Thosewhoenjoysingingmayjoinus.Tom,whoisyourfriend,shouldhelpyou.heisoneofmyfriendswhoarefondofmusicheistheonlyoneofmyfriendst
6、hatisfondofmusiceither...or;neither...nor;notonly...butalso,whether...or在句子中连接主语的时候在或therebe句型中,谓语动词要和就近的主语保持一致。二、就近原则NeitheryounorIamwrong.TherearetwochairsandadeskintheroomThereisadeskandtwochairsintheroomNotonlythestudentsbutalsotheteacherwishesforaholiday.三、概念一致原则所谓概念一致原则是指谓语动词和主语一致不是取决于主语的
7、语法形式,而是其实际意义。有的主语名词在形式上是单数,但在意义上却是复数;有的主语名词在形式上是复数,但在意义上却是单数。1.集合名词作主语,动词可用单数,也可以用复数。主要由句子的意思决定。强调整体谓语动词用单数;指全体人员时,动词则用复数。这一类常见的集合名词有public,family,class,crowd,population,team,group。Hisfamily____goingout.他们全家要外出。Hisfamily____allmus