现在进行时1．现在进行时表示现在（说话瞬间）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。（句中一般含有now,look,listen.）2．现在进行时的肯定句基本结构为be(am/is/are)+动词ing.如：Tomisreadingbooksinhisroom.3．现在进行时的否定句在be后加not。如：Tomisnotreadingbooksinhisroom.4．现在进行时的一般疑问句把be动词调到句首。如：IsTomreadingbooksinhisroom？5．现在进行时的特殊疑问的基本结构为：疑问词+一般疑问句?（注意：当划线部分包含谓语动词时，用疑问词代替划线部分放到句首，原划线处应加上doing）如：1）Tomisreadingbooksinhisroom.WhatisTomdoinginhisstudy?2）Tomisreadingbooksinhisroom?WhereisTomreadingbooks?动词加ing的变化规则1．一般情况下，直接加ing，如：cook-cooking2．以不发音的e结尾，去e加ing，如：make-making,taste-tasting3．如果末尾是辅音字母加一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running,stop-stopping现在进行时专项练习：一、写出下列动词的现在分词：play_____________run______________swim_____________make______________go______________like____________write_____________read_____________have____________sing_____________dance___________put______________see____________buy_____________love____________live___________take____________come_____________get_____________stop____________sit_____________begin____________shop___________二、用所给的动词的正确形式填空：1.Theboy__________________(draw)apicturenow.2.Listen.Somegirls_______________(sing)intheclassroom.3.Mymother_________________(cook)somenicefoodnow.4.What_____you______(do)now?5.Look.They_______________(have)anEnglishlesson.6.They____________(not,water)theflowersnow.7.Look!thegirls________________(dance)intheclassroom.8.Whatisourgranddaughterdoing?She_________(listen)tomusic.9.It's5o'clocknow.We_____________(have)suppernow10.______Helen____________(wash)clothes?Yes,sheis.三、句型转换：1.Theyaredoingtheirhomework.(分别改成一般疑问句和否定句)______________________________________________________________________________________________________________________2.Thestudentsarecleaningtheclassroom.(改一般疑问句并作肯定和否定回答)_____________________________________________________________________________________________________3.I’mplayingfootballintheplayground.(对划线部分进行提问)___________________________________________________________4Theyarereadingbooksinthelibrary.(对划线部分进行提问)___________________________________________________________
