had been working; are still working B had worked; were still working C. have been working have worked D have worked; are still working 解析:过去完成进行时表示从过去到现 在一直进行,并对现在产生影响。正在 进行时表示从现在开始并一直继续,选A
A. had been working; are still working B. had worked; were still working C. have been working; have worked D. have worked; are still working 解析：过去完成进行时表示从过去到现 在一直进行，并对现在产生影响。正在 进行时表示从现在开始并一直继续, 选A
全国卷1) The coffee is wonderful i it doesnt taste like anvthing l before。 A. was having have C. have ever had D. had ever had 解析:同上
4.（全国卷1）The coffee is wonderful ! It doesn’t taste like anything I _____ before . A．was having B．have C．have ever had D．had ever had 解析：同上
5.(浙江卷) My brother is an actor. he in several films so far A. appears B. appeared has appeared D. is appearing 解析:同上
5. （浙江卷）My brother is an actor. He _________ in several films so far. A．appears B．appeared C．has appeared D．is appearing 解析：同上
现在完成时 现在完成时表示过去某时发生的行为 对主语目前产生的影响。即用过去发 生的某个行为来说明现在的某种情况
现在完成时 现在完成时表示过去某时发生的行为 对主语目前产生的影响。即用过去发 生的某个行为来说明现在的某种情况
We are good friends.(现在的情况) i knew him in1997.(过去的动作) We have known each other since 1997。 (现在完成时把过去的动作和现 在联系起来并着眼于现在)
We are good friends.(现在的情况） I knew him in 1997.（过去的动作） We have known each other since 1997. （现在完成时把过去的动作和现 在联系起来并着眼于现在）