现在进行时.ppt

In the Playground There are many students in the playground now. Look! Some boys are playing football and the girls are running. Some of the students are playing basketball, others are doing morning exercises. Who is standing over there ? Oh, it’s Simon. He’s playing with a yo-yo. They’re all having a good time. * 现在进行时…… 结构: be+doing ( be要根据主语作人称和数的变化) 句型转换 1.肯定句转换成否定句,要在 be 后加 not 构成 eg:We are reading English now. ?We are not reading English now. 2.陈述句转换成一般疑问句,把be动词提到句首 eg:The student is drinking. ? Is the student drinking? 3.陈述句转换成特殊疑问句,由“疑问词+一般疑问句”构成 eg:He is working. ? What is he doing? 句型转换： 1.They are cleaning the house.（一般疑问句） 2.Sam is at work.（改为同义句） 3.Tom is singing.（改为否定句） 4.Kate is______________________（划线提问） 5.She is sitting ________________ （划线提问） putting on her new skirt. near the window. Are they cleaning the house? Sam is working. Tom is not singing. What is Kate doing? Where is she sitting? 现在分词的构成 1.直接加 –ing eg:look ?looking 2.如果动词末尾有不发音的e ,则去e加 –ing, write-writing, make-making 3.以动词闭音节结尾,且末尾只有一个辅音字母的,应双写此字母,再加 –ing. 口诀教你学doing 进行时很好记,be加动词-ing; 直加双写去哑e,分词构成须仔细; 别说 be 无词义,主语和它最亲密; 变疑问 be 提前,否定 not 再 后添; 何时要用进行时 look,listen,now标志. sitting swimming putting running 训练集中营 写出下列动词的分词形式 talk________ sleep _______ watch ________ sit ________ listen _________ make ________ laugh ________ lie ________ cry ________ sing ________ cut_________ write________ talking sleeping watching sitting listening making laughing lying crying singing cutting writing Words and Expressions 3. lie v. 躺，说谎 eg. He is lying on his bed. Xiao Wang never lies to anybody. Note: lie (躺） lay, lain (过去式） lie ( 说谎 ) lied, lied (过去式） 4. turn v. 旋转，转动 eg. The wheel turned slowly.