英语人教版九年级全册u1教案

1、Unit1Howcanwebecomegoodlearners?学习目标认知目标：1. Talkabouthowtostudy.学会讨论各种学习方法和策略。2. Findoutyoursuitablelearningmethods.找出适合自己的学习方法。情感目标：通过对学习方法的学习，培养学生用正确而科学的方法做事的能力，明白“一份耕耘，一份收获”。技能目标：（1）熟练掌握下列词汇：aloudpronunciationdiscoverrepeatnotepronounceincreasespeedpartnercreateactiveconnectreviewknowledgewiselyb

2、ornattention（2）熟练掌握下列短语：workwithfriendsasktheteacherforhelpreadaloudlookuppracticepronunciationconnectwithpayattentionto（3）掌握下列句型：HowdoyoustudyEnglish?I learnbyworkingwithagroup.DoyoulearnEnglishbyreadingaloud?Yes,Ido.Ithelpsmypronunciation.HowcanIreadfaster?Youcanreadfasterbyreadingwordgroups.Howca

3、nIimprovemypronunciation?Onewayisbylisteningtotapes.Butwhetherornotyoucandothiswelldependsonyourlearninghabits.重点、难点（Keypointsanddifficulties）1. 学会运用how来询问做事方式2. 学会运用by+doing的结构表达做事方式。by介词，表示通过方法3. 动名词的构成：动词后加动名词doing,相当于名词，在句子中可以做主语、宾语、表语定语等。课时划分Period1SectionA1(1a-2d)Period2SectionA2(3a-3b)Period3

4、SectionA3(GrammarFocus4c)Period4SectionB1(1a-2e)Period5SectionB2(3a-selfcheck)SectionA1(1a-2d)Step1WarmingupT:HowdoyoustudyEnglish?DoyoustudyEnglishbythefollowingways?(Showsomepicturesandpresenttheimportantphrases.)T:HowdoyoustudyEnglish?S:IstudyEnglishby.byworkingwithfriends.bymakingwordcards.byask

5、ingtheteacherforhelp.byreadingthetextbook.byworkingwithagroup.bylisteningtapes.Step21aCheckthewaysyoustudyEnglish.Thenaddotherwaysyousometimesstudy._a.byworkingwithfriends._b.bymakingwordcard._c.byreadingthetextbook._d.bylisteningtotapes_e.byaskingtheteacherforhelp.Step3Listening1) Listen.Howdothese

6、studentsstudyforatest?Writelettersfrom1aabove.2) Checktheanswers:b(Meiping);e(Peter);d(Tony)3) Listenagainandcompletetheconversation.Boy:Hey,everybody.There'saonTuesday.Ireally.Canyoutellmeforabigtest?Voices:Sure!Yes.Surewewill.Boy:YouthelastEnglishtest,didn'tyou,Meiping?Meiping:Yeah,IdidOK.

7、Boy:Well,howdidyoustudyforit?Meiping:.Boy:MaybeI'lltrythat.So,howdoyoustudyforatest,Peter?Peter:.She'salwayshappyto.Boy:That'sinteresting.Howdoyoustudy,Tony?Tony:Iliketostudy.ButsometimesmymotherthinksI'm.Andthenshe.Boy:Oh,maybeIwondo'tthatthen.Step4GuessShowsomepictures.Guess:Ho

8、wdoeshe/shestudyEnglish?He/ShestudiesEnglishbyHowdotheystudyEnglish?TheystudyEnglishbyStep5Pairwork1cMakeconversationsabouthowyoustudyforatest.A:Howdoyoustudyforatest?B:Istudybyworkingwithagroup.A:Howdoyoustudyforatest?B:IstudybybStep6Listening2aListenandcheckthequestionsyouhear.1DoesanyonelearnEngl

9、ishbywatchingvideos?2 DoyouhaveconversationswithfriendsinEnglish?3 Whataboutlisteningtotapes?4 Whataboutreadingaloudtopracticepronunciation?5 Haveyoueverstudiedwithagroup?Answers:1,2,4,52bListenagain.Matcheachanswerbelowwithaquestionabove.a. Yes,Ihave.I'velearnedalotthatway.b. Oh,yes.Itreallyimp

10、rovesmyspeakingskills.c. Idothatsometimes.Ithinkithelps.d. No.It'stoohardtounderstandspokenEnglish.Answers:d,b,c,aStep7Pairwork1. 2cMakeconversationsusingtheinformationin2aand2bA:Haveyoueverstudiedwithagroup?B:Yes,Ihave.I'velearnedalotthatway.Showsomepictures.1) A:DoyoulearnEnglishbywatching

11、movies?B:Yes,it'saveryinterestingway.C:No,it'stoohardtounderstandspokenEnglish.2) A:WhataboutwritingletterstoapenpalinAmerica?B:Yes,ithelpstoimprovemywritingskillsandknowalotaboutAmerica.3) A:DoyouhaveconversationswithfriendsinEnglish?B:Ofcourse,wecantalkaboutplentyofthingslikeschool,pets,mo

12、vies,andourparents.2. 2cListenandfinishtheconversation.Jack:Annie,Ia'litmtle.IhavetofinishandgiveanextMonday.Annie:Thatdoesn't.Jack:ButI'mavery.Annie:Justtogettheatfirst.Don'tread.Read.Jack:ButIdon'tunderstandmanyofwthoerds.Ihaveto.Annie:Trytoguessaword'smeaningthe_s_e_n_t_e_

13、n_c_esbeforeandafterit.Youprobablyunderstandmorethanyouthink.Jack:!Annie:Well,bepatient.Youcanbecomebettereveryday.youread,you'llbe.Step8SummaryHowdoyoustudyEnglish?1. byworkingwithfriends2. bywatchingEnglishmovies.3. bymakingwordcards.4. byreadingthetextbook.5. bylisteningtotapes.6. byaskingthe

14、teacherforhelp.7. byreadingaloud.Step9Languagepoints1. Istudybyworkingwithagroup.我通过小组活动来学习。by作为介词，用法很多。请仔细观察下面的例句，分析by的用法，然后补全结论部分所缺的内容。【例句】1) Comeandsitbyus.2) Petergoestoworkbybuseveryday.3) Tonywillcomebackby10:00pm.4) Englishisspokenbylotsofpeople.5) Mybrotherstudieshistorybyworkingwithagroup.结

15、论】1)by可表示位置，(1)，如句1。也有从旁边(经过)2) by可表示交通、传递等的方式，如句2。3) by可表示时间，到(某时)之前；不迟于”，如句3。4) by可用于构成，被，由”如句4。5) by可表示方式或手段，(3)“结_构”在句中作方式状语，“通过方式(方法)”或借助手段”如句5。Answers:(1)在旁边(2)被动语态(3)by+V-ing形式【运用】根据提示，用含有by的短语完成各句。1) AnniewenttoBeijing(乘火车)yesterday.2) Hisgrandfathermadealiving靠(卖水果)inthepast.3) Thescientist

16、shavetoarriveatthevillage八(月以前).4) Allengoes经(过邮局)onhiswaytoschooleverymorning.5) Thebookwaswritten(由几个工程师).Answers:1)bytrain2)bysellingfruits3)byAugust4)bythepostoffice5)byseveralengineers2. Whataboutreadingaloudtopracticepronunciation?大声朗读来练习发音怎么样？辨析aloud,loud和loudlyaloud出声地；大声地。常与read/call等词连用,不用

17、于比较级。e. g.Don'treadaloudinthelibra不要在图书馆大声朗读。loud大声地；喧闹地。指说话声和笑声，常与talk/speak/laugh/sing等词连用,常用比较级。e.g.Wecan'thearyou.Plsepaesaeklouder.我们听不到你的声音。请再大声点loudly高声地；喧闹地。可以和loud互换，含有“吵闹”的意思，不悦耳。Whatabout/Howabout后跟名词，代词或v.-ing。用于征求意见。e.g.Whataboutacupoftea?喝杯茶怎么样？Howaboutyou?你呢？What/Howaboutgoing

18、tothezoothisafternoon?今天下午去动物园怎么样？3. It'stoohardtounderstandspokenEnglish.句中的it是形式主语,不定式短语tounderstandspokenEnglish是真正的主语,too修饰形容词hard。该句句型为：It's+toadlj.+(forsb.)+todosth.意思是“对某人来说)做某事是的”女口：It'stooeasyforhtoeranswerthequestion.It'snecessarytoeathealthyfood.【链接】too.to.结构常表示“太而不能”t,oo后

19、面接形容词或副词to后面接动词原形。如：Theroomistoodirtytolivein.Hewalkstooslowlytogetthereontime.【运用】将下面的句子翻译成英语。(1) 对他来说找一份工作很难。(2) 经常和父母交流太有必要了。Answers：It'shard/difficultforhimtofindajob.It'stoonecessarytocommunicatewithparentsoften.4. Don'treadwordbyword,readwordgroups.句中的wordbyword意思是逐字地”by表示速率。如：dayb

20、yday意为一天天地”，stepbystep意为逐步地”运用】根据汉语意思完成英语句子，每空一词(1)他们逐句地讨论这个报告。Theydiscussedthereport(2)学生们一个个地出去了。Thestudentswentout_.Answers:sentencebysentence,onebyone5. patient patient可作形容词，意为有耐心的”在句中可作定语或表语。如:Daveisapatientperson.You'lljusthavetobepatient.短语bepatientwithsb.意为“对某人有耐心”。如:She'sverypatient

21、whityoungchildren. patient还可作名词，意为病人”女口：Severalpatientsarewaitingtoseethedoctor.【运用】I.选出下列句子中patient的含义。A.病人B.有耐心的()(1)Justbepatient.Ithinkyou'renext.()(2)Heisapatientnow.Weshouldtakegoodcareofhim.n.将下面的句子翻译成英语。我们英语老师对每个学生都有耐心。Answers:BAOurEnglishteacherispatientwitheverystudent.6. Themoreyourea

22、d,thefasteryou'llbe.“the比较级+,the+比较级+.表示越，就越”。女口：Thewarmertheweatheris,thebetterIwillfeel.【运用】根据汉语意思完成英语句子，每空词数不限。你练习得越多，就写得越好youpractice,you'llwrite.Answer:Themore,thebetterStep10ExercisesI.Choosethebestanswer.1. Hegoestoschoolbike.A.byB.onC.inD.at2. HowdoyoustudyEnglishsowell?Bylotsofbooks

23、.A.readB.lookC.watchingD.readingAnswers:A,Dn.Completethefollowingsentences.1. 大声朗读来练习发音怎么样？Whatabouttopracticepronunciation?2. 她通过读课本来学习英语。ShestudiesEnglishthetextbook.3. SheimprovesherEnglish通(过加入英语俱乐部).Answers:1.readingaloud2.byreading3.byjoininganEnglishclub川.Translation.1. 老师要求我大声朗读课文。2. 不要这么大声。

24、婴儿在睡觉。3. 我爸爸经常开车去上班。Answers:1.Theteacheraskedmetoreadaloudthetext.2. Don'ttalksoloudly.Thebabyissleeping.3. Myfatheroftengoestoworkbycar.Step11HomeworkHowdoyoustudyEnglish?WhataboutphysicsandChinese?Makealist.SectionA2(3a-3b)Step1RevisionGivethestudentssomepictures,thenletthemtalkabout:Howdoyous

25、tudyEnglish?Istudyby.Step2Reading1. WarmingupLookatthepictureonpage3,thenletthestudentstalkabout:ThegirlisWeiFen.Whatisshedoing?CanyouguesshowshestudiesEnglish?2. ReadingFinish3a:ReadthepassageaboutWeiFenandanswerthequestions.1) WhydidWeiFenfinditdifficulttolearnEnglish?2) WhatdidshedoinEnglishclass

26、?3) Whatisthesecrettolanguagelearning?secretn.秘密;秘诀adj.秘密的;保密的Answers:1) TheteacherspoketooquicklyandWeifendidnotunderstandhermostofthetime,butshewasafraidtoaskquestionsofherpoorpronunciation.2) Shehidbehindhertextbookandneversaidanything.3) ForWeiFen,thesecrettolanguagelearningislisteningtosomethin

27、ginteresting.Finish3b:CompletethesentenceswithwhatWeiFenlearnedfromwatchingmovies.Usewordsandphrasesfromthepassage.1) Icanunderstandthemeaningbywatchingtheirandtheontheirfaces.2) Icangetthemeaningbylisteningforjustthe.3) MypronunciationimprovedbylisteningtotheinEnglishmovies.4) Ilearnedsentenceslike

28、“It'sapieceofcake”bywatchingthemovies.5) Icanfindthemeaningofthenewwordsbylookingthemupina.Answers:bodylanguageexpressionskeywordsconversationsusefuldictionaryexpressionn.表情;表示;表达方式Step3Languagepoints1. WhydidWeiFenfinditdifficulttolearnEnglish?finditdifficult/hardtodosth.发现做某事很困难【find用法归纳】finds

29、b.doingsth.发现某人做某事findit+adj.+todosth.发现做某事很findit+adj.todosth.中的it是形式宾语,adj.做宾补,todosth.是真正的宾语。同类的动词还有think,feel,consider等。【活学活用】1) Ifoundit(interest)totalkwithmygrandfather2) Ifoundithardforme(improve)spokenEnglish.Answers:interesting,toimprove2. ButIwasafraidtoaskquestionsbecauseofmypoorpronuncia

30、tion.afraid用法归纳afraid用作形容词，意思是“害怕的；畏惧的”，在句中只能作表语。含有afraid的常用结构有：beafraidofsb./sth.意为“害怕某人/物”。如：I'mafraidofmymother.Janeisafraidofdogs.beafraidofdoing/todosth.意为“害怕做某事”。如：Monaaloneatisafraidofwalking/towalknight.【运用】根据汉语意思完成英语句子，每空词数不限。(1) 我和我的好朋友都害怕我们英语老师。BothmygoodfriendandIourEnglishteacher.(2

31、) 我弟弟害怕坐飞机。Mybrothertheplane.Answers:areafraidof,isafraidoftaking/totake3. Idiscoveredthatlisteningtosomethinginterestingisthesecrettolanguagelearning.discoverv.发现;发觉指偶然或经过努力发现原来客观存在但不为人所知的事物。e.g.ColumbusdiscoveredAmericain1492.哥伦布于1492年发现了美洲。4. Ialsolearnedusefulsentenceslike“It'sapieceofcake”o

32、r“Itservesyouright.”apieceofcake和servessb.right是英语中的两个习惯用语,也可称作习语idiom（s）。同汉语中的成语类似，习语是人们在长期的语言运用中约定俗成的一种固定表达方式,其意思往往不是字面所表达的含义。如：apieceofcake表示事情非常简单、易于解决,相当于汉语的小菜一碟；小事一桩”;servessbri.ght则相当于汉语说某人“活该”。5. ButbecauseIwantedtounderstandthestory,Ilookedthemupinadictionary.lookup（在词典、参考书中或通过电脑）查阅时，其宾语可为名

33、词（短语）或代词。当其宾语为名词（短语）时，该名词（短语）可位于up之后，也可位于look和up之间；当其宾语为代词时，该代词位于look和up之间。如：Youcanlookupanewword/lookanewwordupinthedictionary.Ifyoudonk'notwtheword,youcanlookitupinthedictionary.运用】根据汉语意思完成英语句子，每空词数不限。（1）我在词典里查了这个单词的拼写。Iinthedictionary.（2）我不认识这些单词，你能帮我在网上查查吗？Idon'tknowthesewords.Canyouhelp

34、meo_ntheInternet?Answers：lookedupthespellingoftheword/lookedthespellingofthewordup,lookthemuplook用法归纳】lookafter照顾looklike看起来像lookout当心,小心lookthrough浏览lookfor寻找lookforwardto期待lookaround向四周看have/takealook看一看lookover检查Step4Summary发现做某事很难finditdifficulttodosth.语言学习的秘密thesecrettolanguagelearning害怕做某事beaf

35、raidtodosth.爱上fallinlovewith肢体语言bodylanguage脸上的表情theexpressionsonthefaces关健词keywords对感兴趣beinterestedin查字典lookupthewordinthedictionaryStep5Homework1. Recitetheimportantsentencesinthepassageonpage3.2. Rememberthewordsandphrasesinthislesson.SectionA3(GrammarFocus4c)Step1FreetalkTalkaboutthewaysyoulearn

36、othersubjects.Youcanusethefollowingphrasesandsentences.HowdoyoulearnChinese/math/physics/chemistry?Doyoulearnhistoryandgeographyby?Step2GrammarfocusTranslatethefollowingconversations.1.你如何学习英语？我通过小组学习。2.你通过大声阅读学习英语吗？是的。这帮助了我的发音。3. 我如何能读得更快？你可以通过按照意群读的方式读得更快。4. 我如何能提高我的发音呢？有一种方法是通过听录音。Keys:Howdoyoule

37、arnEnglish?Ilearnbystudyingwithagroup.DoyoulearnEnglishbyreadingaloud?Yes,1do.Ithelpsmypronunciation.HowcanIreadfaster?Youcanreadfasterbyreadingwordgroups.HowcanIimprovemypronunciation?Onewayisbylisteningtotapes.Step34aAnswerthequestions.Thenmatchthequestionsandanswers.1.Howdoyoupracticespeaking?2.H

38、owdoyoulearnnewwords?3. Howdoyouimproveyourwriting?4. Howdoyoupracticelistening?5. Howdoyouimproveyourpronunciation?6. Howdoyoulearngrammar?a. BywatchingEnglishprograms.b. Bylisteningtoatapeandrepeatingoutloud.c. Byhavingconversationswithfriends.d. Bytakingnotes,doingexercisesandreadingalot.e. Bymak

39、ingwordcards.f.Bywritinge-mailstomypenpals.Step44bmakesentencesusingthestructure“dosth.bydoing”withthesubjectsintheboxandinformationthatistrueforyou.e.g.IusuallypracticemyEnglishbytakingnotes/readingbooksandnewspapers/speakingEnglishwithmyclassmates/memorizingsentencepatterns.Answers:?Iliketolearnma

40、thbysolvingnewmathproblemseveryday.?Iliketopracticemyphysicsbydoingextraexercises.?Iliketoimprovemychemistrybymemorizingchemicaltermsanddoingexperiments.?IliketopracticemyChinesebykeepingadiaryinChinese.?Iliketoimprovemyhistoryandgeographybywatchinghistoricalandgeographicalprograms.Step54cCheckwhaty

41、oudotolearnEnglish.Theninterviewyourpartner.A:DoyoulearnEnglishbydoinggrammarexercises?B:Yes,Ido.A:Howoftendoyoudothem?B:doinggrammarexercises.takingnotesinEnglish.readingEnglishmagazines.keepingadiaryinEnglish.usinganEnglishdictionary.by表示方式by作介词，可表示方式或手段，后接动词时，要用动词-ing形式。“by动词-ing形式”可在句中作状语或表语。如：B

42、illstudiesmathbydoingalotofexercises.Oneofhersecretsisbyreadingmorebooks.对“by动词-ing形式”作状语提问时，要用how。如：Howdoyouimproveyourlistening?Iimprovemylisteningbylisteningtotheradio.活学活用I. 根据汉语意思完成英语句子，每空一词。1. 我喜欢通过和同班同学交谈练习我的英语。IenjoypracticingmyEnglish_myclassmates.2. 一种方法是通过多做练习题。Onewaymoreexercises.Answers

43、:byworkingwith,isbydoing,HowdidStep6HomeworkWriteashortcompositionabouthowtolearnEnglish.SectionB1(1a-2e)Step1DiscussionDoyouhavedifficultyinlearningEnglish?Whatthingsaredifficultforyou?1aLearningEnglishcanbedifficult.Whatthingsaredifficultforyou?Readthelist.Check(?)thestatementsthataretrueforyou.Ic

44、an'tpronouncesomeofthewords.Ican'talwaysunderstandspokenEnglish.Idon'tknowhowtoincreasemyreadingspeed.Ican'tspellsomeEnglishwords.Ioftenmakemistakesingrammar.1bWhatotherthingsaredifficultforyou?Makealist.1. Idon'tknowenoughwordstowritewell.3.Answers:I'mnervouswhenItrytospeakE

45、nglish.Ican'tunderstandEnglishmovies.Step2Listeningandspeaking1cPaulfindsitdifficulttolearnEnglish.Listenandcompletethelearningchallengeshetalksabout.Challenges1. Hecan'tgettheright.Answe1dList2He.alotofnewwordsprpnuncialion/forgets,understand,writingi丄丄j/HecantalwayswhenpeopletdaUkm.ei4.aHa

46、inosninpietegiefemu>ciitions.practice.Solutions1. canhelp.2. Hecanalwaysinhisnotebookandstudythemathome.3. Hecantopracticespeaking.4. Heshouldfindatopracticewriting.Answers:Listening,writethenewwords,joinanEnglishIanguageclub,penpal1eRole-playconversationsusingtheinformationin1cand1d.A:Idon't

47、haveapartnertopracticeEnglishwith.B:MaybeyoushouldjoinanEnglishclub.注解:MaybeyoushouldjoinanEnglishclub.【解析】join/joinin/takepartinjoin=beamemberof参加，指加入某种组织，并成为其中的一员。jointhearmy/party入伍/党jointheclub加入俱乐部 joinin后接活动名称 joinsb.加入到某个人群之中takepartin参加，指加入群体活动中并在活动中发挥重要作用。Step3Discussion2aWhatgoodlearningha

48、bitscanyouthinkof?Makealistanddiscussthemwithyourpartner.Answers:?Beingattentiveinclass.?Havinganinterestinclass.?Readingtherelevanttextbeforealesson.?Reviewingwhathasbeentaughtaftereachlesson.?Askingquestionsinclass.?Havingastudypartner.Step4Reading2b1.Readthepassagequickly.Whichfourhabitsofsuccess

49、fullearnersarementioned?2. Completethestructureofthetext.FourgoodlearninghabitsCreatinganinterestinwhatyoulearnPracticingandlearningfrommistakesDevelopingyourAskingquestionsCreatinganinterestinwhatyoulearn1) Youcaneasilyhavea(n)attentionspar持续时间).2) Yourbrainismoreactive.Practicingandlearningfrommis

50、takes1) Youcansucceedbyandlearningfrommistakes.2) Practicemakesperfect.DevelopingyourstudyskillsIt'snotenoughtojustsutdyhard.Youhavetoknowtostudy.Askingquestionscomesfromquestioning.studyskills;long;tryingmanytimes/practicing;how;Knowledge2cReadthepassageagainandanswerthequestions.1.Doesthewrite

51、rthinkthateveryoneisbornwiththeabilitytolearnwell?Doyouagree?Whyorwhynot?2. Whyisitagoodideatoconnectsomethingyouneedtolearnwithsomethingyouareinterestedin?3. Whatdothesayings"useitorloseit"and"practicemakesperfect"mean?Doyouagreewiththem?4. Dogoodlearnerslearnfrommistakesorareth

52、eyafraidofmakingmistakes?5. Whatstudyskillsdoesthewritertalkabout?Doyouhavethosestudyskills?6. Doyouagreethatlearningisalifelongjourney?Whyorwhynot?Answers:1. No,hedoesn't.Thewriterthinkseveryoneisbornwiththeabilitytolearn.Butwhetherornotyoucandothiswelldependsonyourlearninghabits.2.Studiesshowt

53、hatifyouareinterestedinsomething,yourbrainismoreactiveanditisalsoeasierforyoutopayattentiontoitforalongtime.Youwillalsonotgetbored.3. Useitorloseit:Ifyoustopdoingsomething,youwillforgethowtodoit.Practicemakesperfect:Ifyoudosomethingagainandagain,youwillbecomeverygoodatit.4. Yes.Goodlearnerslearnfrom

54、theirmistakes,andtheyarenotafraidofmakingmistakes.5. Takenotesbywritingdownkeywordsorbydrawingmindmaps.Lookforwaystoreviewwhathasbeenlearnt,e.g.readthenoteseverydayorexplaintheinformationtoanotherstudent.6. Yes.Learningisalifelongjourneybecauseeverydaybringssomethingnew.Step5Languagepoints1. Ican

55、9;atlwaysunderstandspokenEnglish.【解析】speakfspokefspokenv.说【注意】部分动词的过去分词也可做该词的形容词：spoken口语的broken坏掉的written写作的2. Idon'knowhowtoincreasemyreadingspeed.【解析】句中的howtoincreasemyreadingspeed是疑问词+动词不定式”结构，在句中作宾语。如：Nickdoesn'tknowwhattobuyforhismother.Canyoutellmewheretofindthiskindofbike?【注意】whattod

56、o后不需要跟宾语howtodo后必须跟宾语【拓展】疑问词+动词不定式”结构:know,what,动词不定tell,which,式(todo)wonder,when,ask,findwhere,out,learn+how+【运用】根据汉语意思完成英语句子，每空词数不限。(1) 海伦想知道怎样才能到达邮局。Helenwonderstothepostoffice.(2) 我妹妹不知道什么时候离开。Mysisterdoesn'tknow.Answers:howtoget,whentoleave3. Ioftenmakemistakesingrammar.(1) makemistakes犯错ma

57、kemistakesin在某方面犯错mistakefor把误认为bymistake错误地4. Itisalsoeasierforyoutopayattentiontoitforalongtime.该句句型是Itisadj.forsb.todosth.【注】若形容词表示事物特征的，如：easy,difficult,hard,important等，须用介词for。It'+sadj.(kind,honest,friendly)+(ofsb.)todosth.【注】若形容词表示人的性格、品质与特点，如：good,kind,nice,wrong等，用介词of。It'vesryconven