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1、主谓一致“主谓一致”是指谓语动词与主语必须在人称、数上保持一致，即主语是复数，谓语也用复数形式，如are,were,have等，主语是单数，谓语要用单数形式，如：is,was,has,works等。1.由and连接的并列成分但指的是同一概念或一个人的双重身份时谓语动词为单数，但由and连接的两个并列成分表示两个不同的概念时，谓语动词用复数。TheworkerandwriterisfromBeijing.(那个工人兼作家…)TheworkerandthewriterarefromBeijing.(那位工人和那位作家)BothCathyandherdaug
2、hterLindahavegonefishinginCanada.BreadandbutterisadailyfoodintheWest.常见的由and连接的指一个概念的有：theneedleandthread针线saltandwater盐水thefolkandknife刀叉ironandsteel钢铁timeandtide岁月2.everyoneof oneofeachof eitherofneitherof+复数名词作主语，谓语用单数。Eachofthestudentshasabook.Eachofthegirlslikesdancing.Oneo
3、fthemhasbeenabroad.NeitherofthetwoboysisgoodatEnglish.但"oneof＋复数名词＋定语从句"结构如果one前面没有限定词，这个句型中的“复数名词”是先行词，定语从句的谓语动词用复数；如果one前面有theonly,thefirst,thelast,theright等限定词修饰，则one是先行词，定语从句的谓语动词用单数。Johnistheonlyoneofthestudentswhohasthekeys.Johnisoneofthestudentswhohavethekeys.3.morethanon
4、e/manya+单数名词作主语，意义上是复数，谓语动词常用单数。(形单意复)Morethanonestudenthastried.Manyastudentandteacheriswatchingthefootballmatch.Manyamanhasdiedinthewar.4.each/every/no/manya+单数名词+and+each/every/no/manya+单数名词作主语，谓语动词用单数。Eachbookandeachpaperisfound initsplace.Everyboyandeverygirlhastheright tor
5、eceiveeducation.Manyaboyandmanyagirlhasseen thesepainting.Everyhourandminuteisimportant.第二个each,every,no,manya可以省略。5.a+单数名词+andahalf,a+单数名词+ortwo作主语时，谓语动词用单数。Ayearandahalfhaspassed.Adayortwoisenough.oneortwo+复数名词,oneandahalf+复数名词作主语，谓语用复数。Oneortwoboysknowit.Oneandahalfmonthshave
6、passedsinceIsawhim.noneof...结构作主语指代不可数名词作主语，谓语用单数；指代复数名词作主语，强调全体，谓语用复数更好一些；着重个别，则用单数较好。Noneofthemoneyisyours.Noneofushave／haseverbeenabroad.6.all,none,some,any等不定代词作主语，根 据其指代的内容而定。Allarepresent./Allthefoodtastesgood.7.“anumberof＋复数名词”作主语，谓语用复数;“许多”“thenumberof＋复数名词”作主语，谓语用单数。“…的
7、数量”Thenumberoftrafficaccidentshasincreased.Anumberofchildrenlikethissong.aquantityof+复数名词,谓语用复数。aquantityof+不可数名词,谓语用单数.quantitiesof+复数名词或不可数名词，谓语用复数。Quantitiesofteaweresoldlastmonth.Alargequantityofbeerwassoldout.Alargequantityofbooksinthelibrarywereamazing.8.Quantity/iesof+名
8、词复数/不可数名词9.population做主语指人口,谓语用单数；指人的行为、居民等，谓语常
