一般现在时.语法讲解PPT.ppt

一般现在时 概念 经常 反复发生的动作或存在的状态及现在的某种状态 1 肯定式1 主语 be am is are 表语Iamastudent It She Heisateacher You Theyareclassmates 2 主语 情态动词 can must may need shall IcanspeakEnglish Shemustgotoschool 构成形式 3 主语 行为动词 speak say call go run 1 IspeakEnglish 2 She He ItspeaksEnglish 3 TheycallmeTom 4 Herunsveryfast 注意 在一般现在时态的肯定句中 当主语是第三人称单数 she he it 行为动词要加 s或者 es 2 一般现在时态的否定和疑问式 1 Be动词肯定句 Sheisastudent 否定句 Sheisnotastudent 一般疑问句 Issheastudent 肯定回答 Yes sheis 否定回答 No sheisn t 2 情态动词e g ShecanspeakChinese 否定句 Shecan tspeakChinese 一般疑问句 CanshespeakChinese 肯定回答 Yes shecan 否定回答 No shecan t 3 行为动词 1 e g Irunveryfast 否定句 Idon trunveryfast 一般疑问句 Doyourunveryfast 肯定回答 Yes Ido 否定回答 No Idon t 2 e g ShelikesMaths 否定句 Shedoesn tlikeMaths 一般疑问句 DoesshelikeMaths 肯定回答 Yes shedoes 否定回答 No shedoesn t 注意 在一般现在时态中 当谓语动词是行为动词的时候 变否定和一般疑问句时 要借助助动词do和does帮忙 当主语是第三人称单数 she he it 的时候用does 其他人称用do 借助助动词do和does以后 动词要用动词原形 一般现在时态的用法 表示目前或现在存在的状态或特征 e g Sheisoftenlate 表示客观存在及普遍真理 e g Theearthisround 表示现在经常和习惯性发生的动作 常与sometimes often usually always everyday 等时间状语连用 在时间状语从句中表示将来发生的动作 e g Ifitdoesn traintomorrow we llgotothepark 表示按时间或计划将要发生的动作 常与时间状语连用 常用动词为 come begin go leave arrive stop start return E g Ourholidaysbegininaweek 就单词的正确形式填空 1 He look tired 2 Theearth go roundthesun 3 may Ihaveyourpen 4 Practice make perfect 5 Theyusually come toschoolearlier 6 Class begin ateighteverymorning 7 Whenhe come we llgoouttomeethim 8 How be yourfather 9 There be aschoolthere looks goes May makes come comes begins is is 一 写出下列动词第三人称单数的变化形式 behavecomegostayteach writetakestudywatchflyplay Homework 二 将下列句子变成否定式和一般疑问句 1 HernameisLiLing 2 Wegotoschoolatnight 3 Mybrotherworksinafactory Hernameisn tLiLing IssheLiLing Wedon tgotoschoolatnightDoyougotoschoolatnight Mybrotherdoesn tworkinaradiofactory Doesyourbrotherworksinaradiofactory 三 单项选择 1 TheBrowns anicecarandBrown sbrother anicejeep A have haveB has hasC have hasD has have2 Iftheirhouse notlikeours what itlooklike A is isB is doesC does doesD does is 3 youthinkhewillcome Ifit tomorrow hewillnotcome A Do rainsB Are rainsC Do willrainD Are willrain4 Th