1、Grammar Focus现在进行时定义：现在进行时表示现在(说话瞬间)或现阶段正在进行或发生的动作。结构肯定句：主语+be+v.-ing+其他否定句：主语+be+not+v.-ing+其他一般疑问句：Be+主语+v.-ing+其他?【注意】肯定回答：Yes，主语+be 否定回答：No，主语+be+not特殊疑问句：特殊疑问词+be+主语+v.-ing+其他?用法表示现在(说话瞬间)正在进行或发生的动作。 eg：He is reading a newspaper now他现在正在看报。表示当前一段时间内的活动或现阶段正在进行的动作。 eg：They are working on the far
2、m these days这些天他们在农场干活。时态标志现在进行时的标志词常有now，look，listen等。动词ing形式的构成一般直接在动词原形末尾加-ing. eg：play+playing；readreading以不发音的字母e结尾的动词，先去掉e，再加ing. eg：come +coming；write-+writing以重读闭音节结尾的单词，且词尾只有一个辅音字母，变动词-ing形式时，应双写该辅音字母再加-ing. eg：shop-+shopping；get-+getting一、写出下列动词的-ing形式。 1draw 2work 3run 4look 5make 6swim 7
3、live 8bring 9cut 10play 二、根据句意，用括号中所给单词的适当形式填空。11Look! Rick (ride)a bike there12The girls (sing)in the classroom now13Mr. Smith (write)a book these days14What your parents (do) now?15The koala (sleep)in the treeBe quiet三、按要求完成下列句子。16Jenny is listening to a CD(改为一般疑问句) Jenny to a CD ?17They are exerc
4、ising there(对画线部分提问) are they there?18Bob is sleeping in his room(改为否定句)Bob in his room19Jack is playing computer games(对画线部分提问) Jack ?20-Are they having a science lesson?(作肯定回答) -Yes， 参考答案一、1drawing 2working 3running 4looking 5making 6swimming 71iving 8bringing 9cutting 10playing二、11is riding 12are singing 13is writing 14are；doing 15is sleeping三、16Is；listening 17What；doing 18isnt sleeping 19What is；doing 20they are3
