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1、四 现在进行时,（一）结构是什么？,am,is,are,doing sth,注意：动词的现在分词（即-ing 形式）如何变形？,全品P听93 右中的方框。,（二）何时用？,（1）描述此时此刻正在进行的动作。,时间标志：,now, right now, at this moment. Look! Listen!,Listen! He is singing in that room.,听，他正在那个房间里唱歌。,你正在做什么？,What are you doing?,I am doing my homework?,我正在写作业。,（2）描述现阶段正在进行，而此刻不一定在进行的动作。,时间标志：,a
2、t present(目前，现在)，these days(这些天)，this week(这周)。,她目前正在一家公司上班。,She is working for a company at present.,（三）句式变化。,肯定句：She is learning English now.,否定句：,She isnt learning English now.,一般疑问句：,Is she learning English now?,Yes, she is.,/ No, she isnt.,特殊疑问句：,What is she doing now?,She is learning English n
3、ow.,肯定句：I am running now.,否定句：,I am not running now.,一般疑问句：,Are you running now?,Yes, I am.,/ No, Im not.,特殊疑问句：,What are you doing?,I am running now.,注意：,表示位移（come, go, leave, arrive, fly 等）的词，它们的进行时表将来时。,他明天飞去海南。,He is flying to Hainan tomorrow.,四 过去进行时,（一）结构是什么？,was,were,doing sth,（二）何时用？,（1）描述在过去某一时刻或过去某一时间段正在进行的动作。,时间标志：,at 7:00 yesterday, from 9；00 to 10:00 yesterday, the whole morning, all day yesterday.,昨天下午一点我正在看书。,I was reading at 1 pm yesterday.,