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1、.一般現(xiàn)在時 除第三人稱單數(shù)外,一般現(xiàn)在時大多是用動詞原形來表示的(have和be按其各種人稱變化形式與主語保持一致)。一般現(xiàn)在時多用來表示經(jīng)常發(fā)生的動作或存在的狀態(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出現(xiàn)的動作或狀態(tài)。l注:這類句子常用的時間狀語有:always,often,sometimes,every day,now and then等。l表示習慣、能力、特征、性格或
2、說話時的感覺、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表示客觀事實或普遍真理。l表示按規(guī)定要發(fā)生的未來的動作或預約的行為。(多見于go come leave start stay return begin 等動詞,后面常接時間狀語。)l表示說話時刻的狀態(tài)或情況。 主語為第三人稱時:在一般現(xiàn)在時的情況下l(1) 一般情況下加sl(2) 以
3、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
4、) English, Chinese, Maths, Science and Art at school. .一般過去時 一般過去常表示過去某一時間所發(fā)生的動作或存在的狀態(tài)。一般過去時常和表示過去的時間狀態(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
5、 at seven . l表示在過去某一時間里發(fā)生的動作或所處的狀態(tài)。l表示在過去某一段時間里反復出現(xiàn)的動作或狀態(tài)。注:表示過去反復的動作或習慣的動作時也得用would或used to加動詞原形。 3.At that time she spoke very good english.4.I didnt expect to meet you here.5.I wrote a composition yesterday. l表示主語過去的特征或狀態(tài)、行為等。l在有些句子中雖然沒有表示過去的時間狀語,但謂語動詞所表示的動作明顯發(fā)生在過去,要用一般過去時。l表示在過去某段時間內(nèi)完成的動作。 巧記一般過
6、去時l 動詞一般過去時,表示過去發(fā)生的事; be 用 was 或用 were,have,has 變 had ; l謂語動詞過去式,過去時間作標志;一般動詞加 -ed ,若是特殊得硬記。 l否定句很簡單,主語之后didnt添;疑問句也不難,did放在主語前;l不含be動詞時 如果謂語之前有did,謂語動詞需還原; 動詞若是 was,were, 否定就把 not 添。l含 be 動詞時疑問句也不難,要把 was , were 放在主語前。 Exercisesl1.My father ill yesterday . A . isnt B .arent C.wasnt D .werent l2your
7、 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.