【正文】
用法:過去時(shí)間發(fā)生的或過去經(jīng)常性的動(dòng)作 常用時(shí)間狀語: yesterday,last night,two days ago, in 2020,at that time,before liberation, when 等引導(dǎo)的含 過去時(shí)的句子。 動(dòng)詞構(gòu)成:動(dòng)詞過去時(shí)( ed) worked/used to work 否定構(gòu)成 : didn’t+動(dòng)原 didn’t work used not(didn’t use) to work一般疑問構(gòu)成及簡答舉例: Did+主語 +動(dòng)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(dòng)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(dòng)作且對現(xiàn)在仍有影響的動(dòng)作, 強(qiáng)調(diào)對現(xiàn)在的影響 .從過去一直延續(xù)到現(xiàn)在的動(dòng)作 常用時(shí)間狀語: already,just,never,before,recently,in the past few years,ever,so far,since+過去的點(diǎn)時(shí) 間 ,for+段時(shí)間 動(dòng)詞構(gòu)成: have/has+過去分詞 (ed) have/has worked 否定構(gòu)成: have/has not+過去分詞 一般疑問構(gòu)成: Have