无敌英语语法(初级版)-第9章 1进行时的肯定句
进行时的构成是:主语+be动词+现在分词~. (现在分词的构成详见第六章) 1 现在进行时 I am watching TV now. 我正在看电视。 句型:主语+be(am,is,are)+现在分词~.
Look!Nancy is doing her homework 看!南希正在做作业。 They are cleaning their classroom. 他们正在打扫他们的教室。 2 过去进行时 He was walking in the park at that time yesterday 昨天那个时候,他正在公园散步。 句型:主语+be(was,were)+现在分词~.
I was watching TV then. 那时,我正在看电视。 When I came home, they were cooking in the kitchen. 当我进家时,他们正在厨房里做饭。 |