主谓一致一、语法一致原则主语单复数决定谓语动词的单复数形式，即主语是单数，谓语用单数，主语是复数，谓语用复数。 Tow students are waiting for you in your office.两名学生在办公室等你。二、意义一致原则谓语动词用单数的情况(1)由连词 and 连接的并列成分指的是同一概念，兼具身份或匹配出现。The worker and writer is from Wuhan.那个工人兼作家来自武汉。(2)“no/each/every/many a＋单数名词＋and＋no/each/every/many a＋单数名词”作主语。Every man and every woman has a good reason to be proud of the work done by their fathers.每一个人都很有理由为他们的父亲所从事的职业感到骄傲。(3)one/every one/each/either/the number of＋复数名词作主语。Each of the students has a book.每个学生都有一本书。(4)由 every，any，some，no和one，thing，body 等所构成的不定代词作主语。Is everybody here today？今天每个人都在这儿吗？(5)非谓语动词、名词性从句作主语。Persuading him to join us seems really hard.劝他加入我们看起来确实难。To go to bed early and to rise early is a good habit.早睡早起是一个好习惯。Whatever was left was taken away.无论剩下了什么都被拿走了。注意：what 引导的主语从句，谓语动词一般用单数形式，若从句谓语或从句后的表语是复数形式，则谓语动词用复数形式。What they need are books.他们需要的是书。谓语动词用复数的情况(1)由 and 连接的两个并列成分表示两个不同的概念。Both bread and butter are sold out.用心 爱心 专心1面包和黄油都卖完了。(2)people，police，cattle 等有生命的集体名词作主语。People read for pleasure during their spare time.人们闲暇之余的阅读是为了消遣。(3)一些常用做复数或只有复数形式的名词，如 goods，stairs，arms 等作主语。The goods are made in China.这些货物都是中国制造的。(4)由山脉、群岛、瀑布等以 s 结尾的专有名词作主语。The Himalayas are the roof of the world.喜马拉雅山脉是世界屋脊。(5)a number of/quantities of/a group of＋名词作主语。A number of other plants were found in America.在美国发现了大量的其他植物。谓语动词单、复数视情况而定(1)集体名词class，family，a...
