一般现在时北京版英语三年级上册教学课件

一般现在时L13L13L13L13L14L14L14L14L14L14L14L15什么是时态？时态时间形态（样子）跟时间有关系的（动词）形态在英语中，做同样一件事，在不同的时间里做，动词的形态就会有所不同(时常发生“变态”)，这就是“时态”。(playfootball打篮球）1.Heplaysfootballeveryday.2.Heisplayingfootball.3.Heplayedfootballyesterday.4.Hewillplayfootballtomorrow.一般现在时1.长期存在的状态;3.表示客观真理或普遍事实。2.表示经常性或习惯性的动作;Dannyoftenplaysfootball.Dannyplaysfootballeveryday.DannyplaysfootballonSundays.Danny'smotherneverplaysfootball.时间标志词alwaysoftenusuallysometimeseverydayneveronSundaysonceaday基本结构1.主语+be(am/is/are)+其他2.主语+do/does+其他什么样的主语是第三人称单数呢？Peter________(do)hishomeworkhard.Mary_______(say)sheisateacherStudents______(play)toysonSunday.①句型转换

be动词肯定句否定句am/is/areHeisagoodstudent.Heisnotagoodstudent.=isn'tamnot/isn't/aren't肯定句am/is/are否定句amnot/isn't/aren'tHeisagoodstudent.一般疑问句Isheagoodstudent?be提前

be动词句型转换有be提be肯定句am/is/are否定句amnot/isn't/aren't一般疑问句be提前Peterisagoodstudent.回答IsPeteragoodstudent?Yes,heis.肯定：Yes,sb.+beNo,heisn't.否定：No,sb.+benot

be动词句型转换do/doesHereadsbookseveryday.肯定句

实义动词否定句Hedoesnotreadbookseveryday.=doesn't+don't/doesn't句型转换无be求助

实义动词肯定句do/does否定句+don't/doesn'tPeterreadsbookseveryday.DoesPeterreadbookseveryday?一般疑问句do/does提前句型转换无be求助

实义动词肯定句do/does否定句+don't/doesn't一般疑问句do/does提前Peterreadsbookseveryday.DoesPeterreadbookseveryday?回答Yes,hedoes.肯定：Yes,sb.+do/does.No,hedoesn't.否定：No,sb.+don't/doesn't.句型转换②无be求助Heisagoodstudent.Heisagoodstudent.不能用“yesorno”回答Who

isagoodstudent?对主语提问：Who/What等+其他特殊疑问句不能用“yesorno”回答特殊疑问句Peterreadsbookseveryday.Peterreadsbookseveryday.对非主语提问：疑问词+一般疑问句WhatdoesPeterreadeveryday?一般：DoesPeterplayfootballeveryday?先斩：DoesPeterplayfootballeveryday?后奏：What

doesPeterplayeveryday?一般先斩后奏1.Themanisapoliceman.(改为否定句)_______________________Themanisn'tapoliceman.2.Hewantstoskate.(改为一般疑问句)_________________________________________Doeshewanttoskate?③home