文档介绍：现在进行时
1、现在(说话的瞬间)正在进行或发生的动作,强调“此时此刻”。. He is reading. They are talking now.
2、当前一段时间内的活动或现阶段正在进行的动作。. They are working these days.
3、某些动词的现在进行时,表预定的计划或即将发生的动作。 I ing.
★其结构为be+现在分词. 现在分词的变法有:
1、一般在动词词尾加上-ing ,. jump
2、以不发音字母e结尾的动词,先去e,再加-ing. . have \ write
3、.以重读闭音节末尾只有一个辅音字母结尾的词,它前面是单个元音字母时要先将词尾的辅音字母双写,再加上-ing. . sit put
重读闭音节三要素:(1)必须是重读音节;(2) 最后只有一个辅音字母;(3) 元音字母发短元音。
改变时态时,重读闭音节需要双写末尾辅音字母.
如:sit---sitting put---putting begin---beginning plan---planning regret---regretting stop---stopping chat---chatting
★其句式变换都在be上做文章。
. He is buying a bike.
Is he buying a bike?
He isn’t buying a bike.
★一般由look, listen, now, right now, at this moment等时间状语做标志。
练****题
(一) 、单选
1、 Look! He _____their mother do the housework.
A. is helping     B. are help     C. is help    D. is helpping
2、_____are the boys doing ? They are singing in the room.
A .Who            B .How                  
3、 Don’t talk here. My mother _____.
A. is sleeping    B .are sleeping  C. sleeping    D .sleep
4、Danny ______. Don’t call him.
A. is writeing    B .is writing          D .writes
5、–When_____he_____back?
– Sorry, I don’t know.
A. e              
(二)、填空
1、 It’s ten o’clock. My mother _____ (lie)in bed.
2、 What____he _____(mend) now?
3、 We _____(play) games now.
4、 What ____you____(do) these days?
5、____he ___(clean) the cla