小学三年级英语语法讲解及习题：现在进行时人教版.doc

小学三年级英语语法讲解及习题：现在进行时人教版现在进行时1．现在进行时表示现在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2．现在进行时的肯定句基本结构为be+动词ing.3．现在进行时的否定句在be后加not4．现在进行时的一般疑问句把be动词调到句首5．现在进行时的特殊疑问的基本结构为：疑问词 + be + 主语 + 动词ing?但疑问词当主语时其结构为：疑问词 + be + 动词ing?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________ski________read________have________sing________dance________put________see________buy________love________live________take________e________get________stop________sit________begin________shop________二、用所给的动词的正确形式填空：1.The boy ________(draw) a picture now.2.Listen .Some girls ________(sing) in the classroom .3.My mother ________(cook) some nice food now.4.What ________you ________(do) now?5.Look.They ________(have) an English lesson.6.They ________(not water) the flowers now.7.Look! the girls ________(dance) in the classroom.8.What is our granddaughter doing? She ________(listen) to music.9.It’s 5 o’clock now.We ________Helen ________(wash) clothes? -Yes, she is.三、句型转换：1.They are doing housework.(分别改成一般疑问句和否定句)__________________________________________________________________________________________________________________2．The students are cleaning the classroom.( 改一般疑问句并作肯定和否定回答)__________________________________________________________________________________________________________________3．I’m playing the football in the playground.(对划线部分进行提问)_________________________________________________________4．Tom is reading books in his study .(对划线部分进行提问)_________________________________________________________第 页 共 页。