““一致”是指句子成分之间或词一致”是指句子成分之间或词语之间在性、数等方面应保持一致。语之间在性、数等方面应保持一致。““主谓一致主谓一致”是指谓语动词与主”是指谓语动词与主语必须在人称、性、数上保持一致,语必须在人称、性、数上保持一致,•一、主谓一致三原则主谓一致是指谓语动词与主语在人称和数上保持一致,主谓一致必须遵循三原则:•语法一致原则,•意义一致原则,•就近一致原则。•1.语法一致原则:指主语是单数形式,谓语动词用单数形式,主语是复数形式,谓语也用复数形式。Tomisagoodstudent.汤姆是个好学生。Theyoftenplayfootballontheplayground.他们经常在操场上踢足球。•2.意义一致:指主语形式上为单数,但意义为复数,因此谓语动词用复数形式;或主语形式上•为复数,但表示单数意义,这是谓语动词用单数形式。Myfamilyarehavinglunchnow.我们一家人现在正吃午饭。•3.就近一致:指谓语动词用单数形式还是用复数形式,取决于最靠近他的主语。例如:Notonlytheteacherbutalsohisstudentslikeplayingfootball.不仅老师喜欢踢足球,而且他的学生也喜欢踢足球。Thereisapenandsomebooksonthedesk.1.由and连接的两个单数名词作主语时,一般用复数形式,但and所连接的并列主语是同一个人,事物,或概念时,谓语动词用单数。这两种情况区分如下:a/the+单数名词+and+单数名词,指的是同一个人或物;a/the+单数名+and+a/the+单数名词,指两个人或物。。TheworkerandwriterisfromBeijing.(那个工人兼作家…)TheworkerandthewriterarefromBeijing.(那位工人和那位作家)BreadandbutterisadailyfoodintheWest.BothCathyandherdaughterLindahavegonefishinginCanada.常见的由and连接的指一个概念的有:theneedleandthread针线saltandwater盐和水thefolkandknife刀叉ironandsteel钢铁timeandtide岁月2.everyoneofoneofeachofeitherofneitherof+复数名词作主语,谓语用单数。Eachofthestudentshasabook.Eachofthegirlslikesdancing.Oneofthemhasbeenabroad.NeitherofthetwoboysisgoodatEnglish."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.morethanone,(不止一个)manya+单数名词(许多)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andeach/every/no/manya+单数名词作主语,谓语动词用单数。(每个)1.Eachbookandeachpaperisfoundinitsplace.2.Everyboyandeverygirlhastherighttoreceiveeducation.3.Manyaboyandmanyagirlhasseenthesepainting.4.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。1.Ayearandahalfhaspassed.一年半过去了1.Adayortwoisenough.一两天足够了oneortwo+复数名词,oneandahalf+复数名词作主语,谓语用复数。1.Oneortwoboysknowit.2.OneandahalfmonthshavepassedsinceIsawhim.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。“…的数量”①Thenumberoftrafficaccidentshasincreased.②Anumberofchildrenlikethissong.①thequantityof+复数名词或不可数名词,谓语用单数。②aquantityof+复数名词,谓语用复数。aquantityof+不可数名词,谓语用单数.③quantitiesof+复数...