动词时态和语态 课件（84张幻灯片）

课件84张PPT。英语八大时态Review of TensesVerb 动词pastnowfuture1234512345I always watch TV at 8:00 in the evening.You are listening to me carefully now.They saw a film last night.It was raining at 7:00 the day before yesterday.I shall go to Shanghai tomorrow.pastnowfuture123457667When I got to the cinema yesterday the film had begun already.I have not heard from her recently.1、The Simple Present Tense 一般现在时态 教学重、难点一般现在时表示经常发生的动作或存在的状态 常与always , often , usually , every day , sometimes , once a week ,等连用 结构 ： 1、主语+动词原形do/does或do not/does not（否定）+其他 Eg. I always watch TV at 8:00 in the evening . We usually do our homework at home.注: 主语(三单)+ 动词(第三人称单数形式)+其他 Eg. She likes it very much. She usually goes to school at 7 o’clock every morning. 动词第三人称单数形式 ·在动词后+s ·在以s,x,ch,sh,o结尾的动词+es ·以辅音字母+y结尾的动词， 先变y 为i，再加es ·特殊 have-has 等 help guess fly make leave fix swim know play close go study get read bring watch 写出下列动词的第三人称单数形式carry do wash visit exercise enjoy jump have siesessessssessiesssshasesssesssesiess一般现在时否定式 be + not don’t do / doesn’t doII 一般现在时的否定式 1.Be 动词的否定式: be + not I am a teacher. You are a worker She is a doctor We are friends.I’m not a teacher You aren’t a worker She isn’t a doctor. We aren’t friends. is not=isn’t are not=aren’t 否定句2.当主语是单数第三人称时，它与助动词Does有关，但是动词谓语一定要恢复为原形。当主语是其他人称时，它与助动词Do有关。I like English. She likes it very much. We go to work by bike.I don’t like English. She doesn’t like it very much. We don’t go to work by bike.否定句概念：用 yes 或 no 来回答的疑问句叫做一般疑问句。 一般疑问句句首的第一个词一般读得比较重。III一般疑问句1.对于be 动词，疑问句要求把be 提前，第一人称变成第二人称。疑问句I am a teacher.Are you a teacher? You are a worker.Are you a worker? He is a student.Is he a student? We are friends.Are you friends? 2.对于实意动词，疑问句要求是：当主语是他(he)，她(she)，它(it)时，句子前面加does，并把动词恢复原形；当主语是其他人称时，句前加do ，第一人称(I/we) 换第二人称(you)。I often go there. You like the music. He goes to work by bus . We /You/They like it.Do you often go there ? Do you like the music.? Does he go to work by bus ? Do you/they like it? 1.He has a meeting on Sundays . 2.He goes to school at seven in the morning . 3.My father and mother go out for lunch on Sundays. 4.We do our homework after school. 把下列句子改为一般疑问句Does he have a meeting on Sundays ?Does he go to school at seven in the morning?Do your father and mother go out for lunch on Sundays ?Do you do your homework after school ?exercise把下列句子改为否定句1.My father has an egg for breakfast . 2.Li Lei does his homework after school. 3.We do our homework at home. 4.They have a meeting every morning . My father doesn’t have an egg for breakfast .Li Lei doesn’t do his homework after school.We don’t do our homework at home .They ... ...