现在进行时

现在进行时的构成

任何动词的现在进行时都是以两个部分所构成——Be 动词的现在时 + 主要动词的现在分词。

（现在分词的结构为：动词原型+ing，例如 talking丶playing丶moving丶smiling）

描述某个动作目前正在发生： You are using the Internet. You are studying English grammar. 描述某个动作正在这段时间或趋势发生： Are you still working for the same company? More and more people are becoming vegetarian. 描述某个未来的动作或事件，而这个动作或事件已经是规划或准备好的： We're going on holiday tomorrow. I'm meeting my boyfriend tonight. Are they visiting you next winter? 描述一个暂时的事件或情况：He usually plays the drums, but he's playing bass guitar tonight. The weather forecast was good, but it's raining at the moment. 用 always, forever, constantly 等副词来描述和强调一个不断反覆发生的动作：Harry and Sally are always arguing ! You're constantly complaining about your mother-in-law! 要注意！ 有些动词通常不会用在进行时。