一般現(xiàn)在時(shí)與一般過(guò)去時(shí)ppt

.一般現(xiàn)在時(shí) 除第三人稱單數(shù)外，一般現(xiàn)在時(shí)大多是用動(dòng)詞原形來(lái)表示的（have和be按其各種人稱變化形式與主語(yǔ)保持一致）。一般現(xiàn)在時(shí)多用來(lái)表示經(jīng)常發(fā)生的動(dòng)作或存在的狀態(tài)。 1.The boys wake at seven oclock every day. He writes to his parents once a month.2.He never wears a hat in winter. l表示現(xiàn)在的日常行為或反復(fù)出現(xiàn)的動(dòng)作或狀態(tài)。l注：這類句子常用的時(shí)間狀語(yǔ)有：always，often，sometimes，every day，now and then等。l表示習(xí)慣、能力、特征、性格或說(shuō)話時(shí)的感覺、狀態(tài)等。 3.The earth moves around the sun. Knowledge in power.4.The meeting is at nine tomorrow morning. Train leaves at eight pm.5.What time is it now? l表示客觀事實(shí)或普遍真理。l表示按規(guī)定要發(fā)生的未來(lái)的動(dòng)作或預(yù)約的行為。（多見于go come leave start stay return begin 等動(dòng)詞，后面常接時(shí)間狀語(yǔ)。）l表示說(shuō)話時(shí)刻的狀態(tài)或情況。 主語(yǔ)為第三人稱時(shí):在一般現(xiàn)在時(shí)的情況下l(1) 一般情況下加sl(2) 以 s, x,sh, ch 結(jié)尾的在后面加es.l(3) 以輔音字母加y結(jié)尾的改 y 為 i 再加es l(4) 有些常見的特殊的do,go后面加es 像Nobody Everyone這樣的代詞，其動(dòng)詞也變成為第三人稱單數(shù)形式 Exercisesl1.What time_ his father_(do) the work?l2.He _(get) up at five oclock.l3._ you _(brush) your teeth every morning.l4.What _ ( do ) he usually _( do ) after school?l5.Tom _ ( study ) English, Chinese, Maths, Science and Art at school. .一般過(guò)去時(shí) 一般過(guò)去常表示過(guò)去某一時(shí)間所發(fā)生的動(dòng)作或存在的狀態(tài)。一般過(guò)去時(shí)常和表示過(guò)去的時(shí)間狀態(tài)連用，如a minute ago,yesterday,last week,in 1900,during the night,in those days等。 1.Where were you just now?2.During his middle school years,he played football nearly everyday. I used to leave for work at seven . l表示在過(guò)去某一時(shí)間里發(fā)生的動(dòng)作或所處的狀態(tài)。l表示在過(guò)去某一段時(shí)間里反復(fù)出現(xiàn)的動(dòng)作或狀態(tài)。注：表示過(guò)去反復(fù)的動(dòng)作或習(xí)慣的動(dòng)作時(shí)也得用would或used to加動(dòng)詞原形。 3.At that time she spoke very good english.4.I didnt expect to meet you here.5.I wrote a composition yesterday. l表示主語(yǔ)過(guò)去的特征或狀態(tài)、行為等。l在有些句子中雖然沒有表示過(guò)去的時(shí)間狀語(yǔ)，但謂語(yǔ)動(dòng)詞所表示的動(dòng)作明顯發(fā)生在過(guò)去，要用一般過(guò)去時(shí)。l表示在過(guò)去某段時(shí)間內(nèi)完成的動(dòng)作。 巧記一般過(guò)去時(shí)l 動(dòng)詞一般過(guò)去時(shí)，表示過(guò)去發(fā)生的事； be 用 was 或用 were,have,has 變 had ； l謂語(yǔ)動(dòng)詞過(guò)去式,過(guò)去時(shí)間作標(biāo)志;一般動(dòng)詞加 -ed ,若是特殊得硬記。 l否定句很簡(jiǎn)單，主語(yǔ)之后didnt添；疑問句也不難，did放在主語(yǔ)前；l不含be動(dòng)詞時(shí) 如果謂語(yǔ)之前有did，謂語(yǔ)動(dòng)詞需還原； 動(dòng)詞若是 was,were, 否定就把 not 添。l含 be 動(dòng)詞時(shí)疑問句也不難，要把 was ， were 放在主語(yǔ)前。 Exercisesl1.My father ill yesterday . A . isnt B .arent C.wasnt D .werent l2your parents at home last week A .Is B. Was C .Are D .Were l3 The twins in Dalian last year They here now A .are;were B .were;are C .was;are D.were;was 大家來(lái)找茬lI goes to school everyday.lMiss Smith teach English.lMy watch sayes ten to five.lHe arrives in hangzhou an hour ago.lShe were an orphan and gave piano lessons to rich children.lHe go out just now.