小学英语语法总结中的现在进行时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.如：Tom is reading books in his study .3.现在进行时的否定句在be后加not。如：Tom is reading books in his study .Tom is not reading books in his study .4.现在进行时的一般疑问句把be动词调到句首。如：Tom is reading books in his study .Is Tom reading books in his study ?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?如：Tom is reading books in his study . Tom is reading books in his study .Is Tom reading books in his study ? Is Tom reading books in his study ?What is Tom doing in his study? Where is Tom reading books?
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