Book4 Unit 1 语法学案Subject---Verb Agreement (主谓一致)主谓一致是指谓语动词在人称和数上必须和主语保持一致,主谓语一致需要遵循三个基本原则: 语法形式一致原则, 语言意义一致原则和就近一致原则。一、语法形式一致原则:即主语是单数形式,谓语动词用单数形式;主语是复数形式,谓语也用复数形式。语法一致体现在以下几种情况:1. 划出下面句子的主语和谓语Going out for a walk after supper is a good habit. To see is to believe.Whether we’ll go depends on the weather. This book is worth reading.Water is very important for life.归纳:当__________, ________, ________, 单数可数名词, 不可数名词,作主语时, 谓语动词常用单数形式。翻译以下句子:1)学好英语并不容易。_______________________ ______ 2)在太阳下看书对眼睛不好。____________________ ___ 3)他所说的是正确的。________________________ _____2. 划出下面句子的主语和谓语,并说出主语表达的意思。The worker and writer is from Wuhan. The worker and the writer are from Beijing. 归纳:当主语由 and 连接时,如果表示同一人或同一物时,谓语动词用_____(单数/复数),此时and 后面的名词______(无/有)冠词。如表示不同的人或物时,谓语动词用______(单数/复数),此时 and 后面的名词_______(无/有)冠词。1) The League secretary and the monitor ___ (were/was) asked to make a speech at the meeting. 2) A knife and fork___ (is/are) used to have meals.3) The singer and dancer _____ (is/are) giving a performance on the stage.4) The singer and the dancer _____(is/are) giving a performance on the stage.3. 划出下面句子的主语和谓语Has everybody finished their drinks? Nothing remains of the old house but the cellar hole. 归纳:句子中的 everybody 和 nothing 是__________,作主语时,谓语动词用_____(单数/复数)形式。相同用法的不定代词还有 something, someone, anything, anybody (即由every,some,any,no 等构成的不定代词) 或由 each, every 构成的________短语,如 each student, every book 等。1) Something ____ (has / have) gone w...