主 语肯 定 式否 定 式疑 问 式第一、二人称和第三人称复数以及名词复数I was a student.We/You/ They were students.He/ She was a student.I / We/ You/ They/ liked music.Many people liked music.I was not a student.We/You/ They were not students.He/ She was not a student.I / We/ You/ They/ didn’t like music.Many people didn’t like music.Were you a student.Were you/ they studentsWas he/ she a studentDid you/ they like musicDid many people like music?3)一般过去时的用法:1. 过去发生的动作。例如:The police stopped me on my way home last night.2. 过去存在的状态。例如:They weren't able to come because they were so busy.3. 常用于一般过去时的时间状语:yesterday,three months ago,last year,in 1979,once upon a time(很久以前),long ago,then(那时)等。例题解析:举一反三,学的更轻松!1. Mott is out. But he ______ here a few minutes ago.A. was B. is C. will be D. would be解析:几分钟前发生的动作, 应该用一般过去时。应选A,2.---Hi,Tom.---Hello,Fancy. I ______ you were here.A.don't know B.won't think C. think D. didn't know解析:虽然句中没有明确的时间状语, 但是可以通过上下文语境判断出, 我说这话之前不知道,但是现在知道了,表示的动作,要用过去时态。所以选D。3.He promised to tell me by himself when I ______.A. come B. would come C. came D. had come解析:在时间状语从句中,用一般过去时表示过去将来。应选C。编辑一变:肯定句变为否定句【技巧1】当句中含有情态动词或助动词could,would,should等时,可直接在其后面加not构成否定句。例如:I could get you a concert ticket. → I could not / couldn't get you a concert ticket.【技巧2】当句中含有系动词was,were 时,可直接在其后加not构成否定句。例如:I was on the Internet when you called me. → I was not / wasn't on the Internet when you called me.【技巧3】当句中谓语是除情态动词、助动词、系动词was,were以外的动词时,在该动词之前加did not / didn't,动词还原,构成否定句。例如:The famous singer sang some Chinese songs. → The famous singer did not / didn't sing any Chinese songs.二变:陈述句变为一般疑问句【技巧1】移动词语的位置。将was,were,could,would,should等移到句首。例如:He could pack his things himself. → Could he pack his things himself?【技巧2】添加助动词did。谓语是除情态动词、助动词、系动词was,were以外的动词时,在主语之前加did,动词还原。例如:Mr Li looked very old. → Did Mr Li look very old?三变:陈述句变为特殊疑问句【技巧1】确定疑问词:人who / whom,物what,地点where,时间when / what time,原因why,频率how often,长度how long,距离how far等等。例如:They gave the concert last night. → When did they give the concert?【技巧2】辨认结构形式:疑问词+情态动词/助动词/ was / were / did +主语+...? 例如:The accident happened near the station. → Where did the accident happen一些不规则变化:do>did see>saw make>made take>took eat>ateread>read put>put get>got hear>heard feel>feltis/am---was are---were teach---taught catch---caughtbuy---bought go---went come---came become---became等