一般現(xiàn)在時講解與練習(xí)(初中英語)_免費下載.doc

一般現(xiàn)在時講解與練習(xí) 1.表示事物或人物的特征、狀態(tài)。如：Theskyisblue.天空是藍(lán)色的。 2.表示經(jīng)常性或習(xí)慣性的動作。如：Igetupatsixeveryday.我每天六點起床。 3.表示客觀現(xiàn)實。如：Theearthgoesaroundthesun.地球繞著太陽轉(zhuǎn)。 構(gòu)成：1.be動詞：主語+be(am,is,are)+其它。如：Iamaboy.我是一個男孩。 2.行為動詞：主語+行為動詞(+其它)。如：WestudyEnglish.我們學(xué)習(xí)英語。 當(dāng)主語為第三人稱單數(shù)(he,she,it)時，要在動詞后加-s或-es或變“y”為“ies”如：MarylikesChinese.瑪麗喜歡漢語。MissGuteachesusEnglish.顧老師教我們英語。ShestudiesChineseeveryday.她每天學(xué)習(xí)語文。否定句、一般疑問句、特殊疑問句： 1.be動詞的變化。否定句：主語+be+not+其它。如：Heisnotaworker.他不是工人。 一般疑問句：Be+主語+其它。如：-Areyouastudent?-Yes.Iam./No,Imnot. 特殊疑問句：疑問詞+一般疑問句。如：Whereismybike? 2.行為動詞的變化。否定句：主語+dont(doesnt)+動詞原形(+其它)。如：Idontlikebread. 當(dāng)主語為第三人稱單數(shù)時，要用doesnt構(gòu)成否定句。如：Hedoesntoftenplay. 一般疑問句：Do(Does)+主語+動詞原形+其它。如：-Doyouoftenplayfootball? -Yes,Ido./No,Idont. 當(dāng)主語為第三人稱單數(shù)時，要用does構(gòu)成一般疑問句。如：-Doesshegotoworkbybike? -Yes,shedoes./No,shedoesnt. 特殊疑問句：疑問詞+一般疑問句。如：Howdoesyourfathergotowork? 一般現(xiàn)在時的動詞形式 一般現(xiàn)在時主要由動詞原形表示，但第三人稱單數(shù)后的動詞詞尾有所變化。第三人稱單數(shù)動詞詞尾的變化有幾種形式： 一般情況加-sreads,says,takes 以ch,sh,s,x,或o結(jié)尾的詞加-esteaches,washes,goes,misses,mixes 以輔音字母加y結(jié)尾的詞變y為i再加-esstudies,cries,carries 一般現(xiàn)在時：表示站在“現(xiàn)在”這個時段敘述一般情況下發(fā)生的事情或狀態(tài),經(jīng)常性或習(xí)慣性的動作。用法：（1）Be型句子（即句子里動詞為am或is或are）以be為助動詞，注意主謂搭配 例：Heisateacher.Isheateacher?Yes,heis./No,heisntWhatishisjob? Iam/Youare/Heis/Sheis/Itis/Weare/Youare/Theyare (2)行為動詞句子（do型） 主語為第一，第二人稱及復(fù)數(shù)，助動詞為do(dont). MyparentslikewatchingTVintheevening.DoyourparentslikewatchingTVintheevening?Yes,theydo./No,theydont.Whatdotheydointheevening? 若人稱為第三人稱單數(shù)，助動詞為does(doesnt),肯定句(僅肯定句)時動詞要有變化，否定句與疑問句動詞不變（基本同名詞復(fù)數(shù)變化）與上面的一組句子比較。 MyfatherlikeswatchingTV.DoesyourfatherlikewatchTV?Yes,hedoes./No,hedoesnt.Whatdoesyourfatherdointheevening? 一般現(xiàn)在時動詞口訣:肯定句：單數(shù)開頭S形式，復(fù)數(shù)，你我用原形 否定句：單數(shù)開頭doesnt加動詞，復(fù)數(shù)、你我dont加動詞 一般疑問句：單數(shù)Does加動詞，復(fù)數(shù)、你我Do加動詞 2.第三人稱單數(shù)的動詞變化規(guī)則 （1）多數(shù)動詞直接加s:runsgetslikescolletstakesplaysclimbs. （2）結(jié)尾是s,x,sh,ch,o,前為輔音字母,結(jié)尾加es:watchesteachesgoes doeswashescrossesmixes （3）動詞末尾y前為輔音:將y改i加es:studystudiesflyflies y前若為元音則直接加s:buyssays 一般現(xiàn)在時的用法（Section One）1表示主語現(xiàn)在的狀態(tài)、存在的情況或狀況。DIG： 主語+am/is/are+表語 （主系表結(jié)構(gòu)）Mr Wang is in Beijing. 王先生在北京。 He is twelve. She is at work.This is a book . They are very busy . It is me.2表示人或物現(xiàn)在經(jīng)常性或習(xí)慣性的動作，常與表示頻率的時間狀語連用。 時間狀語：often經(jīng)常, usually通常, always總是，every week(day, month, year ，morning) 每周（天，月，年,早上）, sometimes有時，at在幾點鐘，on SundayI leave home for school at 7 every morning.I get up at 6:30 every day.Tina gets up at six in the morning every day. 蒂娜每天早上六點鐘起床。We always care for each other and help each other.我們總是互相關(guān)心，互相幫助。3客觀真理，客觀存在，科學(xué)事實或普通真理，表示現(xiàn)狀、性質(zhì)、狀態(tài)時多用系動詞或狀態(tài)動詞。The earth moves around the sun.Shanghai lies in the east of China.The moon moves around the earth. 月球繞著地球轉(zhuǎn)。Ice feels cold.（冰摸起來很冷。）3) 表示格言或警句中。 Pride goes before a fall.驕者必敗。 注意：此用法如果出現(xiàn)在賓語從句中，即使主句是過去時，從句謂語也要用一般現(xiàn)在時。Columbus proved that the earth is round.4) 表示主語具備的性格和能力等，如：She likes noodles. They speak French.表示主語具備的特征、性格和能力。 Lily can speak a little Chinese now.莉莉現(xiàn)在能說一點兒漢語?，F(xiàn)在時刻的狀態(tài)、能力、性格、個性。 I dont want so much. Ann Wang writes good English but does not speak well.比較：Now I put the sugar in the cup.I am doing my homework now.第一句用一般現(xiàn)在時，用于操作演示或指導(dǎo)說明的示范性動作，表示言行的瞬間動作。再如：Now watch me, I switch on the current and stand back. 第二句中的now是進(jìn)行時的標(biāo)志，表示正在進(jìn)行的動作的客觀狀況，所以后句用一般現(xiàn)在時。一般現(xiàn)在時：表示經(jīng)常性的事情。表示知覺、態(tài)度、感情、某種抽象的關(guān)系或概念的詞常用一般現(xiàn)在時：see, hear, smell, feel, notice, agree, believe, like, hate, want, think, belong, seem等。I know what you mean.（我知道你的意思。）練習(xí)題 1用動詞的適當(dāng)形式填空 1.Ilike_(swim). 2.He_(read)Englisheveryday. 3.We_(go)toschoolatseveninthemorning. 4.Mike_(go)toschoolatseveninthemorning. 5.Mymother_(like)_(go)shopping. 6.Ican_(draw)manybeautifulpictures. 7.She_(make)amodelplane. 8.Doyou_(like)_(run)? 9.Doeshe_(like)_(jump)? 10.DoesNancy_(grow)flowersonSaturday?11.Theteachers_(like)_(dance).12.Theteacher_(like)_(dance).13.Thestudents_(speak)Englishinclass.14.Thestudent_(speak)Chineseafterclass. 15.Lets_andplayfootball.(go) 16.He_likeswimming.(not) 17.Imsorry_that.(hear)18.WangBingis_(write)anE-mailtohisfriend.19.Hehas_aheadache.(get) 20._youstudyEnglishatschool?Yes,I_.(do) 21._yoursisterstudyEnglishatschool?No,she_.(do) 22.Im_better.(feel) 23.Why_Tomabsenttoday?(be)2用所給的人稱改寫句子 1.ItakephotosonSunday.(Mike) 2.Wegrowbeautifulflowers.(she) 3.Theylikecollectingstamps.(Ben) 4.Ilistentomusiccarefully.(myaunt) 5.Youlikemakingamodelship.(Helen) 6.Wecleantheclassroomeveryday.(he) 7.Theylookafterthepandas.(MrWang) 8.Idrawatreeandsomeflowers.(Nancy) 9.Wegotobedateight.(mysister) 10.Ireadnewspapersintheevening.(MrGreen) 3寫出下列動詞的相應(yīng)形式： 1.第三人稱單數(shù)：wash_match_guess_study_finish_go_snow_carry_ 2.寫出下列動詞的過去式：stop_see_drive_let_carry_keep_join_find_think_teach_catch_ 3.寫出下列動詞的現(xiàn)在分詞形式：stay_begin_forget_ forget_lie_die_run_prefer_give_ ring_dance_hope_ II.用所給動詞的適當(dāng)形式填空： 1I_(write)toyouassoonasI_(get)toLondon. 2.Hedoeantfeelwelland_(noteat)anyfoodthismorning. 3.He_not_(see)mecomein,forhe_(read)somethingwithgreatinterest. 4.I_(l;et)youhavethebookassoonasI_(finish)it. 5.Whilewe_(wait)forourteacher,alittleboy_(run)uptous. 6.Dontmakeaniose.Grandpa_(sleep). 7.Itssevennow,Tomsfamily_(watch)TV. 8.It_(take)metwohourstofinishmyhomeworklastnight. 9.What_yourmother_(do)ateightyesterdayevening?She_(wash)clothes. 10._it_(rain)whenschoolwasoveryesterday? 11.What_(do)_tomorrow?We_(play)football. 12.There_(be)afootballmatchonTVthisevening. 13.Theysaidthey_(visit)theGreatWallthenextsummerholiday. 14.Who_(dance)thebestinyourclass? 15.Willyoucomeifhe_(notcome)? 16.Theteachertoldustheearth_(move)roundthesun. 17She_(buy)asweateryesterday.18.They_(have)apartyinthegardenifit_(notrain)tomorrow. 19.IdontknowifMr.Wang_(go)toShanghaitomorrow.Ifhe_(go),I_(ask)him_(take)somebookstomydaughter,becauseshe_(study)there. III單項選擇： 1.ThestudentswillgototheSummerPalaceifit_tomorrow. A.dontrainB.doesntrainC.wontrain 2.There_anEnglishfilmnextweek. A.willhaveB.isgoingtohaveC.isgoingtobeD.wasgoingtobe 3.Thepicture_nice. A.looksB.islookedC.lookD.islooking 4.She_downandsoonfellasleep. A.liveB.lainC.laidD.lay 5.They_theofficeatnineyesterdaymorning. A.reachedtoB.arrivedC.wentD.getto 6.WeshallgotoShanghaionbusinessbeforeyou_backnextweek. A.wilcomeB.cameC.wouldcomeD.come 7.Dontsmokeuntiltheplane_off. A.takesB.tookC.wastakenD.istake 8.Isawher_theroomthismorning. A.toenterB.enteredC.enterD.enters 9.theteacheraskedus_toschoolontime. A.tocomeB.comingC.comeD.comes 10.Johnisalways_others. A.helpB.helpingC.helpsD.tohelp 11.Hetoldus_ateight. A.workingB.toworkC.workD.worked 12.Youdbetter_athomeand_yourhomework. A.tostay,doB.stay,doC.tostay,todoD.stay,todo 13.Hesatdown_arest. A.havingB.haveC.tohaveD.had 14.UncleW