Subject-verbAgreement;WhatisS-Vagreement?;主谓一致通常有三个原则：

语法一致原则；

概念一致原则；

就近一致原则;语法一致;Themice________(eat)thebread.

Twomices__________(dance)intheparty.;2.不定式，动名词或从句作主语时，谓语动词用单数

Eg:1.)Servingthepeopleismygreathappiness.

2.)Whenwedeliverthegoodshasn‘tbeen

decided.

3.)Whenandwherewewillgohasn’tbeen

decided.

用and或both...and连接的不定式，动名词或者从句做主语时，谓语用复数。

;注意：由and连接的两个疑问词，接同一个动词不定式或同一个句子作主语时，谓语动词用单数。

例如：1.Wheretofindhimandhowtofindhim____unknowntous.

2.HowandwhyhehadtocometoNewYork____astoryofsuccess.;Whathesaidandwhathedidaredifferent.;3.主语后面带有由with,alongwith,togetherwith,like,butexcept,besides,aswellas,morethan,nolessthan,ratherthan,including,inadditionto引导的短语，其谓语动词的单、复数由主语的单、复数而定。

如：Mysistertogetherwith/alongwith/with/aswellas/besidesmyparentshasgonetoBeijing.

Thebook,includingtensciencestories,sellswell.;Theteacherwithtwostudents_____atthemeeting.(was/were)

2.Awomanwithababyinherarms_____waitingforthebusintherain.

A．wasB．wereC．hasD．have

3.E-mail,aswellasthetelephones,_____animportantpartindailycommunication.

A.isplayingB.haveplayed

C.areplayingD.play;

4）Alibrarywithfivethousandbooks___tothenationasagift.A.isofferedB.hasofferedC.areofferedD.haveoffered

5）NobodybutJane___thesecret.

A.knowB.knows

C.haveknownD.isknown

;4.当everyone,everybody,everything,anyone,anybody,anything,noone,nobody,nothing,someone,somebody,something,(none除外)等不定代词及each,theother，another，neither，either作主语时，谓语动词用单数形式。如：

Nothingintheboxismine.

Everythingyouown___(is/are)givenbyyourparents.

Anyonethat______(behave)likeachild__