【正文】
過去某一時間的動作延續(xù)到過去另一時間 常用時間狀語: by that time,by the end of… , when/before+ 從句, said/knew/asked的賓從中 動詞構成 :had+過去分詞 (ed) 以 work為例: had worked 否定構成 :had not+過去分詞 一般疑問構成: Had+主語 +過去分詞 +其它? Yes,I had. No,I hadn’t. 特殊疑問句舉例: How many English words had you learned by the end of last term? 。 動詞構成:動詞過去時( ed) worked/used to work 否定構成 : didn’t+動原 didn’t work used not(didn’t use) to work一般疑問構成及簡答舉例: Did+主語 +動原 +其它? 特殊疑問句舉例: What did he do yesterday? When did he get up this morning? 備注: He has opened the door.(表示過去“開門”的動作對現(xiàn)在的影響是門還開著) He opened the door.(不能確定門現(xiàn)在是否開著 ) 用法 : 發(fā)生在過去的動作且對現(xiàn)在仍有影響的動作, 強調對現(xiàn)在的影響 .從過去一直延續(xù)到現(xiàn)在的動作 常用時間狀語: already,ju