九年级英语重要词汇和句型用法1.提建议的句子：①What/howabout+doingsth.?如：What/Howaboutgoingshopping?②Whydon’tyou+dosth.?如：Whydon’tyougoshopping?③Whynot+dosth.?如：Whynotgoshopping?④Let’s+dosth.如：Let’sgoshopping⑤Shallwe/I+dosth.?如：Shallwe/Igoshopping?2.firstofall首先.tobeginwith一开始lateron后来、随3.also也、而且（用于肯定句）常在句子的中间either也（用于否定句）常在句末too也(用于肯定句)常在句末4.seesb./sth.doing看见某人正在做某事强调正在发生seesb./sth.do看见某人做了或经常做某事如：如：Shesawhimdrawingapictureintheclassroom.她看见他正在教室里画画。5.toomany许多修饰可数名词如：toomanygirlstoomuch许多修饰不可数名词如：toomuchmilkmuchtoo太修饰形容词如：muchtoobeautiful6.usedtodosth.过去常常做某事否定形式：didn’tusetodosth.usednottodosth.如：Heusedtoplayfootballafterschool.放学后他过去常常踢足球。Didheusetoplayfootball?Yes,Idid.No,Ididn’t.Hedidn’tusetosmoke.他过去不吸烟。7.反意疑问句①肯定陈述句＋否定提问如：Lilyisastudent,isn’tshe?LilywillgotoChina,won’tshe?②否定陈述句＋肯定提问如：Shedoesn’tcomefromChina,doesshe?Youhaven’tfinishedhomework,haveyou?③提问部分用代词而不用名词Lilyisastudent,isn’tshe?④陈述句中含有否定意义的词，如：little,few,never,nothing,hardly等。其反意疑问句用肯定式。如：HeknowslittleEnglish,doeshe?他一点也不懂英语，不是吗？Theyhardlyunderstoodit,didthey?他们几乎不明白，不是吗？8.beinterestedinsth.对…感兴趣takeaninterestinbeinterestedindoingsth.对做…感兴趣如：Heisinterestedinmath,butheisn’tinterestedinspeakingEnglish.他对数学感兴趣，但是他对说英语不感兴趣。9.interestedadj.感兴趣的，指人对某事物感兴趣，往往主语是人interestingadj.有趣的，指某事物/某人具有趣味，主语往往是物10.inthelastfewyears.在过去的几年内常与完成时连用如：IhavelivedinChinainthelastfewyears.在过去的几年内我在中国住。11.howtoswim怎样游泳不定式与疑问词连用：动词不定式可以和what,which,how,where,when等引导的疑问句连用，构成不定工短语。如：Thequestioniswhentostart.问题是什么时候开始。Idon’tknowwheretogo.我不知道去哪。Idon`tknowwhattodonext..我不知道下一步做什么。12.makesb./sth.+形容词makeyouhappymakesb./sth.+动词原形makehimlaugh13.itseemsthat+从句Itseems+adj……Itseem+tobe看起来好像……如：Itseemsthathehaschangedalot.看起来他好像变了许多。14.看起来好像…sb.seemtodosth.Heseemstofeelverysad.itseemsthat+从句Itseemsthathefeelsverysad.他看起来好像很伤心。系动词不能独立作谓语，要和表语一起构成谓语常用的连系动词有：look,feel,be,become,get,turn,smell,taste,stay(保持),kept等。连系动词除be和become等少数词可接名词作表语外，一般都是接形容词。如：Theyareveryhappy.Hebecameadoctortwoyearsago.Shefeltverytired.15.helpsb.withsth.帮某人某事helpsb.(to)dosth.帮某人做某事helpsbout帮某人摆脱困难helpdosth帮助做某事helpwithsth.如：Theyhelpwiththisproblem.ShehelpedmewithEnglish.她帮助我学英语。Shehelpedme(to)studyEnglish。她帮助我学习英语。Theyhelpyourelax.他们帮助你放松16.fifteen-year-old作形容词15岁的fifteen-year-olds作名词指15岁的人fifteenyearsold指年龄15岁如：afifteen-year-oldboy一个15岁的男孩Fifteen-year-oldsliketosing.15岁的人喜欢唱歌。Iamfifteenyearsold.我是15岁。17．不再①nomore==nolonger如：Iplaytennisnomore/longer.我不再打网球。②not…anymore==not…anylonger如：18.语态：①英语有两种语态：主动语态和补动语态主动语态表示是动作的执行者被动语态表示主语是动作的承受者Catseatfish.（主动语态）猫吃鱼。Fishiseatenbycats.(被动语态)鱼被猫吃。②被动语态的构成由“助动词be＋及物动词的过去分词”构成助...
