高考英语语法-主谓一致（45张）

Subject-Verb Agreement 主谓一致 Grammar 在英语句子里,谓语受主语支配,其动词必须和主语在人称和数上保持一致,这就叫主谓一致。寻其规律,大致可归纳为三个原则,即语法一致、逻辑意义一致和就近一致原则。 (一)语法一致原则:语法上一致就是谓语动词和主语在单、复数形式上保持一致。     1、以单数名词或代词、动词不定式短语、动名词短语或从句作主语时,谓语动词一般用单数形式;主语为复数时,谓语动词用复数形式。 如:His father is working on the farm. To study English well is not easy. What he said is very important for us all. The children were in the classroom two hours ago. Reading in the sun is bad for your eyes.   注意: 由what引导的主语从句,后面的谓语动词多数情况用单数形式,但若表语是复数或what从句是一个带有复数意义的并列结构时,主句的谓语动词用复数形式。 如:What I bought were three English books. What I say and do is (are) helpful to you. 1).To hold the Olympic Games____ a rich prize for a country. (be) 2). Choosing what to eat ___ no longer as easy as it once was. is is What we need more time . 由what, who, why, how, whether等引导的主语 从句，谓语动词通常用单数，(但所指的具体内 容为复数意义，则可以用复数形式. What we need are teachers.) 3) is 2、由连接词and或both … and连接起来的合成主语后面,要用复数形式的谓语动词。 如:Lucy and Lily are twins. She and I are clas