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1、一般现在时的构成一般现在时的构成一、系动词一、系动词be的一般现在时的一般现在时二、情态动词的一般现在时二、情态动词的一般现在时三、实义（行为）动词的一三、实义（行为）动词的一般现在时般现在时1一、系动词be的一般现在时1、构成、构成：主语主语 + be + 其他其他2、be 包包 括括 哪哪 些些 ？is am are3、 什么时候用什么时候用is？ 什么时候用什么时候用am？ 什么时候用什么时候用are？ 取决于主语是单数取决于主语是单数还是复数还是复数The girl is my friend.2主语为单数时主语为单数时主语为复数时主语为复数时主语为主语为“I”时时 isaream3情态
2、动词的一般现在时情态动词的一般现在时构成:主语主语 + 情态动词情态动词 + 动词原形动词原形+其他其他She can speak English.注意：注意：情态动词后的动词一定要用原形情态动词后的动词一定要用原形Eg: They should(应该) be right.试比较：They are right. She speaks English.45 一、什么是行为动词一、什么是行为动词 这里所说的这里所说的行为动词行为动词,指的是指的是除除be动词、情态动词和助动词之外的全部动词动词、情态动词和助动词之外的全部动词。 6二、基本用法二、基本用法1 1）表示现在经常发生或习惯性的动作或状态
3、：）表示现在经常发生或习惯性的动作或状态：I usually walk to school.I usually walk to school.My grandfather watches TV every evening.My grandfather watches TV every evening.2 2）表示客观事实或普遍真理：）表示客观事实或普遍真理：The earth moves round the sun.The earth moves round the sun.7三、常与一般现在时搭配使用的时间状语三、常与一般现在时搭配使用的时间状语1 1）表示时间频度的词语：）表示时间频度的词
4、语：always always usuallyusuallyoftenoftensometimessometimeshardlyhardlynevernever82 2）与）与everyevery一起用的状语词组：一起用的状语词组：everyeverydaydayweekweekmonthmonthspringspringyearyearMondayMondayevery other day every other day (=every two days)(=every two days)every three hoursevery three hoursonce every two mon
5、thsonce every two months3 3）其他）其他ininthe morningthe morningthe afternoonthe afternoonthe eveningthe eveningtwice a weektwice a week9四、行为动词的一般现在时构成四、行为动词的一般现在时构成1.肯定句构成肯定句构成:主语主语 + 行为动词行为动词 + 其他其他These boys like playing football. The girl reads English every morning.注意：当主语为第三人称单数时，注意：当主语为第三人称单数时，行为动词
6、要加行为动词要加s或者或者es什么时候加s，什么时候加es呢？10当主语是第三人称单数时，动词需变化当主语是第三人称单数时，动词需变化 1、多数在动词后加、多数在动词后加s playplays likelikes read-reads sing-sings dance-dances 2、 以以s，x，sh，ch，o结尾的动词加结尾的动词加es gogoes washwashes watch-watches 3、 以辅音字母加以辅音字母加y结尾，把结尾，把y改改i再加再加es flyflies studystudies try-tries 11Complete the sentences. Us
7、e the simple present tense of the verbs in brackets1.My father_(listen) to the radio every day. 2.Mike_ (study) in a middle school.3.She_(take) Eddie for a walk after supper.4.He_(wash) clothes with his hands.5.Simon _ (pass) the ball to Daniel.6.Miss Li_ (teach) Chinese.7.Look at the animal, it _ f
8、our legs.listenstakesstudieswashespassesteacheshas8122. 否定句的构成： 主语主语+do+ not+动词原形动词原形+其他其他 主语主语+does +not+动词原形动词原形+其他其他e.g. They dont have sports every day. Lucy doesnt have sports every day.13Change the following sentences after the models.1.I like red. (green)2.They like apples. (oranges)3.We take
9、 a bus to school every day. (walk to school)I dont like green.They dont like orange.We dont walk to school every day.10143. 一般疑问句构成助动词（助动词（do/does) + 主语主语 + 动动词原形词原形 + 其它？其它？ 肯定回答: “Yes, 主语+ do/does.”否定回答: “No, 主语+do not/does not.”助动词也常用缩写形式，主要有dont，doesnt Do your parents like English？肯答： Yes，they d
10、o.否答： No，they dont.154. 特殊疑问句构成特殊疑问词特殊疑问词+助动词（助动词（do/does) + 主语主语 + 动动词原形词原形 + 其它？其它？ What do your parents like ？16句型转换1. Mr. Green comes from Shanghai.(改为一般疑问句改为一般疑问句)2. Millie lives in a flat in Beijing. (改为否定句改为否定句)Does Mr. Green come from Shanghai?Millie doesnt live in a flat in Beijing.173. Dan
11、iel enjoys playing computer games.( (改为一般疑问句并做肯定回答改为一般疑问句并做肯定回答) )Does Daniel enjoy playing computer games?Yes, he does.18根据图画利用所学的一般现在时造句。根据图画利用所学的一般现在时造句。Jim plays computer games every Monday.Jim Play computer gamesevery Monday19my mother read booksevery morningMy mother reads books every morning.
12、20Mary sing songsevery ThursdayMary sings songs every Thursday.21he play basketballevery SaturdayHe plays basketball every Saturday.22They go shopping every Sunday.they go shoppingevery Sunday23my father and Igo swimmingevery SundayMy father and I go swimming every Sunday.24用动词的适当形式填空。用动词的适当形式填空。1 She _(get) up at 6:30 every morning.2 His father _(ride) a bike to go to work every day.3 Jim _(go) shopping on Sundays.4 There _(be) some bread on the table.getsridesgoesis25
