1.have done是現(xiàn)在完成時,表示動作發(fā)生在過去一直延續(xù)到到現(xiàn)在為止.或許動作已完成,或許動作還在進行.如：
We have finished our task.我們已經(jīng)完成了任務(wù).（強調(diào)動作已終止）
We have lived here for ten years.1.我們在這里住了十年了.（表示動作終止.）
2.我們已經(jīng)在這里住了十年了.（我們現(xiàn)在仍住在這里.表 示動作仍在進行）=We have been living here for ten years.
2.had done 是過去完成時,表示過去的過去,指過去某一時間之前就已完成的動作.如：
We had finished it by the time they went back.
He told us that he had seen the film (two years before).
Last night,he had not come back by 12 o'clock.那have sth done呢？又有什么用法1. 表示“請，讓人做什么”I'll have my kike repairedI'll have my hair cut2. 表示無意識的動作“遭受”He fell off the tree and had his leg broken請及時采納，不懂繼續(xù)問( 天天在線 ）(*^__^*) 祝學習進步! 謝謝！