Unit 4Stories and Poems冀 教 版 單元同步語法精講精練 1過去進(jìn)行時(shí)的用法過去進(jìn)行時(shí)表示在過去某一時(shí)刻或某一階段正在進(jìn)行或持續(xù)進(jìn)行的動(dòng)作，一般要與表示過去的時(shí)間狀語連用，如this time yesterday, at that time, at 5 yesterday afternoon等。I was doing my homework at this time yesterday.昨天的這個(gè)時(shí)候我正在做作業(yè)。 2過去進(jìn)行時(shí)的構(gòu)成過去進(jìn)行時(shí)由“be動(dòng)詞的過去式was/were現(xiàn)在分詞”構(gòu)成。各種句式結(jié)構(gòu)如下： We were having supper when the phone rang.我們正在吃晚飯時(shí)電話響了。Lisa wasnt listening to music at that time. 莉薩那時(shí)沒有在聽音樂。Was she watching TV at that time？她那時(shí)正看電視嗎？Yes, she was. 是的。No, she wasnt.不，不是。What were you doing at 5p.m. yesterday？昨天下午5點(diǎn)你在干什么？Who was singing at that time？那時(shí)誰在唱歌？ 3一般過去時(shí)和過去進(jìn)行時(shí)的區(qū)別 (1)一般過去時(shí)表示在過去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài)，常與之連用的時(shí)間狀語有：just now, a moment ago, yesterday, last week, the day before yesterday等。I went to the park yesterday.昨天我去公園了。(2)過去進(jìn)行時(shí)表示在過去某一時(shí)刻或某一段時(shí)間正在進(jìn)行的動(dòng)作。常與之連用的時(shí)間狀語有：at that time, at this time yesterday/last night, at點(diǎn)鐘yesterday/last night等。What were you doing at seven pm. yesterday？昨天晚上七點(diǎn)鐘你正在干什么？ 情態(tài)動(dòng)詞must1情態(tài)動(dòng)詞must表示“必須，應(yīng)該”，常用于疑問句中，肯定回答用must，否定回答用neednt或dont have to，表示“不必，用不著”。它的否定式mustnt表示“禁止”。Must I finish the homework before seven oclock？七點(diǎn)以前我必須完成家庭作業(yè)嗎？Yes， you must.是的，你必須。No， you neednt./dont have to.不，你不必。 2 must表示推測(cè)，暗含很大的可能性，意為“一定是”，只用于肯定句中，其否定形式cant表示“不可能”。He must be ill. He doesnt come to school.他準(zhǔn)是病了，他沒來上學(xué)。 一、用括號(hào)內(nèi)所給單詞或短語的適當(dāng)形式填空。1 (2017江蘇宿遷)I _(wash) the dishes while my sister was sweeping the floor.2 (2016湖北鄂州)Did you watch Euro 2016 last night?No, I _(study) for the exams at that time.3 (2016江蘇無錫)Mary _(talk) on the phone, so I just nodded to her and went away.was washingwas studying was talking 4 (2016甘肅白銀)While Mr. Johnson was _(work) in the office, the phone rang.5 (2016江蘇連云港中考改編)Were your parents at home then, Philip?Yes, they _(have a chat with) their friends when I got home. workingwere having a chat with 二、單項(xiàng)選擇。( )6.(2018河北九年級(jí)第一次模擬大聯(lián)考)When traffic lights are red, we _ stop and wait.A may Bcan Cmust Dmight( )7.(2017北京)_ I hand in the report today?No, you neednt.A Can BMust CShall DCouldCB ( )8.(2017石家莊28中中考模擬)How did the accident happen?The girl _ WeChat while walking across the street.A reads Bis readingC read Dwas reading( )9.(2017四川成都)Did you hear someone knock at the door just now?Sorry. I _ to my friend on the phone.A was talking BtalkedC am talkingDA ( )10.(2017四川達(dá)州)Whats the matter, Jack?I _ down while I _ on the ice. I got hurt badly.A was falling; skatedB fell; was skatingC fell; skatedD was falling; skatingB