2. 现在进行时(be doing) 用法:现在正在进行的动作。 3. 现在完成时(have done) 用法: A) 表示动作到现在为止已经完成或刚刚完成。 例:I bought a new house, but I ___ my old one yet, so at the moment I have two houses. A) didn't sell B) sold C) haven't sold...
表示说话人说话时或现阶段正在进行的动作,经常和时间副词now (现在), right now (现在, 此刻), at present (现在,目前), at this moment (此刻)连用。 5.现在完成时的被动 have/has been done 现在完成时常与already, always, often, ever, never, yet, not...yet, ju...
8. have sth done 有“主语请求别人做某事”和表示主语“遭遇某种(不幸的)事情”等多种意思。 The Smiths had/got their house painted yesterday. 史密斯一家昨天请人油漆了房屋。 ––– Your skirt wants/needs washing, Mary. ––– Yes. I’m going to have it ...
更多内容请点击：高一英语学习方法:16种英语时态总结及用法