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1、中学英语时态之—现在进行时四种时态现在进行时一般现在时过去时将来时现在进行时构成:主语+be+动词ingTomisdoinghishomework.第一人称+am+v-ing第二人称+are+v-ing第三人称+is+v-ingI’m/You’re/He’s/She’s/We’re/They’re(not)working.定义:现在进行时表示现在或当前一般时间正在进行的动作。现在进行时动词ing的变化规律:现在分词1)直接加ing,如:open-opening,clean-cleaning,meet-meeting,sing-singing,study-stu
2、dying,…现在进行时2)去掉词尾不发音的e,如:take-taking,close-closing,come-coming,drive-driving,have-having,use-using,write-writing,practice-practicing,become-becoming…3)重读闭音节的,双写最后的字母,加ing,如:sit-sitting,put-putting,begin-beginning,get-getting,swim-swimming,run-running,cut-cutting,,…现在进行时写出下列的词的现在分词s
3、tudy____make____swim____stop_____come____close_____have____run____drive_____wash___begin——watch___take——talk——put——现在进行时标记listen!……..look!.......……………now.…….atthemoment.…….atpresent.现在进行时1.MrZheng(read)abooknow.2.Therabbits————(jump)now.3..Look!TomandJohn(swim).4.Mybrother(make)akit
4、einhisroomnow.5.Look!Thebus(stop).6.We(have)anEnglishclassnow.现在进行时7.Listen!Someoneis(come).8.They(catch)butterfliesnow.9.He(do)anexperimentnow.10.They(collect)stampsnow.11.Look!He(dive)now.12.Tom(watch)TVinthediningroom.现在进行时句式:1)现在进行时的肯定形式:主语+be(am/is/are)+doing+其他成分Iamsinging.The
5、yarewriting.2)现在进行时的否定形式:主语+be(am/is/are)+not+doing+其他成分Iamnotsinging.Theyaren‘twriting.现在进行时3)一般疑问句及回答:be(am/is/are)+主语+doing+其他成分AmIsinging?Yes,youare./No,youaren’t.Aretheywriting?Yes,theyare./No,theyaren‘t.4)特殊疑问句及回答:特殊疑问词+be(am/is/are)+主语+doing+其他成分Whatareyoudoing?Weareplaying(要
6、求就提问内容具体回答).现在进行时句型转换按要求改写句子1.Theboyisplayingbasketball.否定句:____________________________一般疑问句:_________________________肯定回答:__________________________否定回答:__________________________现在进行时2.Theyaresingingintheclassroom.否定句:____________________________一般疑问句:_________________________肯定回
7、答:__________________________否定回答:__________________________对“aresinging“提问:__________________________对”intheclassroom“提问:__________________________现在进行时口诀主语必须放句首,am,is,are随后。现在分词跟着走,其它成分不能丢。表示动作正进行,Look!Listen!now标记。一般疑问这样变,把be提到主语前。否定句式也简单,be后再把not添。现在进行时1.Whatareyoudoing?I____
8、____.A.eatB.caneatC