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She often came to help us in those days. I didn39。t know you were so busy.口訣 一般過去時(shí)并不難,過去動(dòng)作、狀態(tài)記心間。 動(dòng)詞要用過去式,時(shí)間狀語句末站。 否定句很簡單,didn39。t 站在動(dòng)原前,其它部分不要變。 一般疑問句也好變,did放在句子前,主語、動(dòng)原、其它部分依次站。 特殊疑問句也簡單,疑問詞加一般疑問句記心間。 最后一條請注意,動(dòng)詞過去式要牢記!一般過去時(shí)態(tài)的“三變”技巧 一變:肯定句變?yōu)榉穸ň? 【技巧1】當(dāng)句中含有情態(tài)動(dòng)詞或助動(dòng)詞could,would,should等時(shí),可直接在其后面加not構(gòu)成否定句。例如: I could get you a concert ticket. → I could not / couldn39。t get you a concert ticket. 【技巧2】當(dāng)句中含有系動(dòng)詞was,were 時(shí),可直接在其后加not構(gòu)成否定句。例如: I was on the Internet when you called me. → I was not / wasn39。t on the Internet when you called me. 【技巧3】當(dāng)句中謂語是除情態(tài)動(dòng)詞、助動(dòng)詞、系動(dòng)詞was,were以外的動(dòng)詞時(shí),在該動(dòng)詞之前加did not / didn39。t,動(dòng)詞還原,構(gòu)成否定句。例如: The famous singer sang some Chinese songs. → The famous singer did not / didn39。t sing any Chinese songs. 二變:陳述句變?yōu)橐话阋蓡柧? 【技巧1】移動(dòng)詞語的位置。將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】添加助動(dòng)詞did。謂語是除情態(tài)動(dòng)詞、助動(dòng)詞、系動(dòng)詞was,were以外的動(dòng)詞時(shí),在主語之前加did,動(dòng)詞還原。例如: Mr Li looked very old. → Did Mr Li look very old? 三變:陳述句變?yōu)樘厥庖蓡柧? 【技巧1】確定疑問詞:人who / whom,物what,地點(diǎn)where,時(shí)間when / what time,原因why,頻率how often,長度how long,距離how far等等。例如: They gave the concert last night. → When did they give the concert? 【技巧2】辨認(rèn)結(jié)構(gòu)形式:疑問詞+情態(tài)動(dòng)詞/助動(dòng)詞/ was / were / did +主語+...? 例如: The accident happened near the station. → Where did the accident happen 一些不規(guī)則變化: dodid seesaw makemade taketook eatate readread putput getgot hearheard feelfelt等等 1. r. Mott is out. But he ______ here a few minutes ago. A. was B. is C. will be D. would be 解析:幾分鐘前發(fā)生的動(dòng)作, 應(yīng)該用一般過去時(shí)。應(yīng)選 A, 2.Hi,Tom. Hello,Fancy. I ______ you were here. 39。t know 39。t think C. think D. didn39。t know 解析:雖然句中沒有明確的時(shí)間狀語, 但是可以通過上下文語境判斷出, 我說這話之前不知道,但是現(xiàn)在知道了,表示過去的動(dòng)作,要用過去時(shí)態(tài)。所以選D。 3.He promised to tell me by himself when I ______. A. e B. would e C. came D. had e 解析:在時(shí)間狀語從句中,用一般過去時(shí)表示過去將來。應(yīng)選C。 一、單項(xiàng)選擇: 從下列各題后所給的四個(gè)選項(xiàng)中選擇最佳答案填空。(10)( )1. My father______ill yesterday. A. isn39。t B. aren39。t C. wasn39。t D. weren39。t( )2. ______your parents at home last week﹖ A. Is B. Was C. Are D. Were( )3. The twins______in Dalian last year. They______h(yuǎn)ere now. A. are。 were B. were。 are C. was。 are D. were。 was(