Unit8重要语法精讲(现在进行时)七年级上册英语单元核心知识过（牛津译林版）

目录-CONTENTS01定义02结构0304句型变化时间状语05随堂练习01现在进行时定义01现在进行时定义定义现在进行时表示“某人正在做某事”。现在进行时可以表示说话时正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。用法eg：Jim’smotheriscookingnow.(现在正在发生)Theyarebuildinganewhouseforthedogsthesedays.(现阶段正在进行)02现在进行时结构02现在进行时结构结构现在进行时的基本结构：am/is/are+V-ing(动词的现在分词)用法eg：Nancyisdrawingapanda.Thestudentsarehavinglunch.Iamwaitingforyou.动词现在分词变化规律如下：02现在进行时结构用法大多数动词后加ingeat-eating,play-playing以不发音的e结尾的动词，去e，再加inghave-having,take-taking以ie结尾的动词，变ie为y,再加inglie-lying,tie-tying以“辅元辅”结尾的动词，双写结尾辅音字母，再加ingput-putting,swim-swimming02练一练写出下列动词的现在分词形式现在进行时结构1.run2.read3.repeat4.study5.fly6.die7.tick8.makerunningreadingrepeatstudyingflyingdyingtickingmaking9.go10.cut11.rain12.chat13.change14.carry15.forget16.ordergoingcuttingrainingchattingchangingcarryingforgettingordering03现在进行时时间状语03现在进行时时间状语时间状语Look！,Listen！

now,rightnow,atpresent,atthemomentIt’s...o’clock.Whereissb.?thesedaysBequiet!,Don’ttalk.03现在进行时时间状语1.Theboyarerunningintheplaygroundnow.2.Wearepreparingforthefinalexamsthesedays.3.—Whereisyoursister?—Sheiswateringflowers.4.Don’ttalkloudly.Thestudentsaretakinganexam,5.It’s12o’clock.Theyarehavinglunch.注意：at...o’clock不是现在进行时的标志词03现在进行时时间状语注意：有些动词一般不用于进行时。如：know,want,understand,love,like,hope,hear,see等。eg：Iwanttoseethemnow.Shelikestoskatethesedays.04现在进行时句型变化04现在进行时句型变化现在进行时的否定句：在be后加not。eg：Thegirlisnotreadingstories.现在进行时的一般疑问句：把be提前至句首。回答用be动词。eg：—lsMissLi

havingamathlessonnow?

—Yes,sheis./No,sheisn’t.现在进行时的特殊疑问句：疑问词+be+主语+v-ing。eg：Whatareyoudoing?05随堂练习05随堂练习句型转化1.Timisplayingtenniswithhisfriend.（对画线部分提问）2.Lindaiswalkingtoschool.（改为一般疑问句）3.Theworkersareworkinginthefactory.（对画线部分提问）

Where

aretheworkersworking?

WhatisTimdoingwithhisfriend?IsLindawalkingtoschool?05填写单词的适当形式随堂练习1.Theboyoften______(take)exerciseinthemorning.2.Bequite!Thebaby______(sleep)intheroom.3.—Wherearethetwins?—Eachofthem_______(do)thehouseworkathome.4.—Who______LiuTao______(wait)for?—Mike.5.What_____they______(cook)forusatthemoment?6.Joe______(hope)togethissister’se-mailnow.takesissleepingisdoingiswaitingarecookinghopes05填写单词的适当形式随堂练习7.—What____you_____for?—I‘mlookingformyrubber.8.—Who_________(clean)theclassroom?—WangBinis.9.—Who_________(make)thenicecardforme?—Tinadoes.10.Tomandhisfamily___