现在进行时讲义

现在进行时1、定义：表示现在（说话瞬间）正在进行的动作。2、使用情况：（1）现在（说话的瞬间）正在进行或发生的动作，强调“此时此刻”。E.g.Heisreading.Theyaretalkingnow.（2）当前一段时间内的活动或现阶段正在进行的动作。E.g.Heisteachinginaprimaryschool.Theyareworkingthesedays.3、现在进行时的基本结构及句型变化（1）结构：谓语动词结构：be(am,is,are)﹢doing（现在分词）（2）现在进行时的句型变化：肯定句:主语+be+doing+其它.否定句：主语+be+not+doing+其它.(be后加not)一般疑问句:be＋主语＋doing＋其它？（be动词提前）肯定回答:Yes,主语+be.否定回答:No,主语+be+not.Eg：肯定句HeiswatchingTVnow.Eg：肯定句Weareworking.否定句HeisnotwatchingTVnow.否定句Wearenotworking.一般疑问句IshewatchingTVnow?一般疑问句Areyouworking?肯定回答Yes,heis.肯定回答Yes,weare.否定回答No,heisn’t.否定回答No,wearen’t.Eg：肯定句TomandMikeareplayingfootballrightnow.否定句TomandMikearen’tplayingfootballrightnow.一般疑问句AreTomandMikeplayingfootballrightnow？肯定回答Yes,theyare.否定回答No,theyaren’t.课堂练习：句型转换1.Myparentsaresleeping.(变为一般疑问句)2.Samisdoinghishomeworkrightnow.(变为否定句)3.Areyouswimming?(变为肯定句)（3）动词ing变化规则情况变法例词一般情况直接加-ingplay--playingwalk--walking以不发音的字母e结尾的动词去e加-ingcome-cominghave-havingmake-makingride-ridingwrite-writingtake-taking“辅+元+辅”结构的动词将末尾辅音字母双写,再加-ingput—puttingdrop--dropping,swim—swimmingstop—stoppingbegin—beginningrun--running以ie结尾的动词改ie为y，再加-ing。lie—lyingdie—dying,tie—tying.课堂练习：写出下列动词的现在分词形式work_______sing_______lie_______study________have_______dance______shop_______take_________make__________live__________get_________get____________buy___________stop___________begin__________come__________4、现在进行时的特殊疑问句（1）特殊疑问句结构：特殊疑问词+一般疑问句语序（2）现在进行时的特殊疑问句：特殊疑问词+be(am/is/are)＋主语＋doing＋其它？例如：Maryisreadingathomerightnow.Whoisreadingathomerightnow?WhatisMarydoingathomerightnow?WhereisMaryreadingrightnow?课堂练习：对划线部分提问1.Mybrotherisplayingfootballinthepark.2.Sheiseatingsomebeef.单选：---isTomdong?---Heisswimming.A.WhoB.WhatC.WhereD.How