1 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 not。4.现在进行时的一般疑问句把be 动词调到句首 . 时间状语: now, look, listen,It’s ⋯o’clck, 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? 如:What are you doing? 你正在做什么?但疑问词当主语时其结构为:疑问词 + be + 动词 ing? 如: Who is singing over there? 谁正在那儿唱歌?6 动词加 ing 的变化规则(1)一般情况下,直接加ing,如: cook-cooking (2)以不发音的 e 结尾,去 e 加 ing,如: make-making, taste-tasting (3)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 sit-sitting get-getting forget-forgetting begin-beginning (4)以 ie 结尾的动词,改ie 为 y 加 ing ,如: die--dying lie--lying 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、句型转换:1. They are doing housework . 一般疑问句: __________________ 否定句:_________________ 2.The students are cleaning the classroom . 一般疑问句: __________________ 否定句:_________________ 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 )________________ 三、1. What are you _________(do) now? I _________(eat) bread. 2. It ’s nine o’clock. My father_________(work) in the office.3. Look, the boy____________(put) the rubbish into the bin. 4. ________he______(clean) the classroom? No, he isn’t. He__________(play).5. Where is Mak? He_________(run) on the grass. 6. Listen, who_________(sing) in the music room? Oh, Ma...