一、理解概念 现在完成进行时主要表示动作从过去某一时间开始一直延续到现在或离现在不远的时间,这动作可能仍然在进行,也可能停止了一会儿。例如: We have just been talking about you. 我们正谈论你呢。 Jack has been watching TV all day. 杰克一整天都在看电视。 二、用准结构 现在完成进行时的基本结构为“have/has b
1. Look, he’s playing football with his friends on the playground. 看,他正在操场上和朋友踢足球。 2. Our first class will begin in about an hour. 一小时之后我们会开始上第一节课。 3. One of the boys from Class 3 won the race. 来自