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1、 TheInfinitive 动词不定式 动词不定式的构成 not to do 动词原形 A to infinitivecanbeusedas 主语 Subject 表语 Predicative 宾语 Object 宾补 Objectcomplement 定语 Attributive 状语 Adverbial 不定式用作主语 Togrowtreesisveryimportant Itisveryimportanttogrowtrees 不定式作主语时 往往放在谓语之后 用it作形式主语 Sayinanotherway using it Tolearnfromyourfriendsisimpor
2、tant Toleavewithoutsayinggoodbyeisimpolite TochatwithMissWhiteisapleasantthing Towalktoschooltakesmetenminutes Itisimportanttolearnfromyourfriends Itisimpolitetoleavewithoutsayinggoodbye ItisapleasantthingtochatwithMissWhite Ittakesmetenminutestowalktoschool Itis adj forsb todo sb is are adj todo It
3、is adj ofsb todo sb is are adj todo 你那样做是有礼貌的 Itispoliteofyoutodothat Youarepolitetodothat good kind nice rude clever right silly thoughtful brave selfish easy hard difficult important possible necessary 对他来说 说英语很容易 对我们来说 努力学习是必要的 您能帮助我 真是太好了 ItiseasyforhimtospeakEnglish Itisnecessaryforustostudyhar
4、d Itisverykindofyoutohelpme 不定式放在be动词后面 用作表语 Mydreamistobeagoodteacher Itsworkistocleantheroomeveryday Completethefollowingsentences 1 Thedoctor ssuggestionis take moreexercise 2 Thebestwayis talk toyourparents 3 Hisplanis 今年夏天到北京旅游 4 Mypurposeis 帮你解决这个问题 totake totalk totraveltoBeijingthissummer to
5、helpyousolvethisproblem 不定式放在及物动词后 用作宾语 WebegintoreadEnglishat6 30a m Sheforgottoclosethedoor 常用动词不定式作宾语的动词有 want plan hope wish learn decide wouldlike begin start try need forget choose prepare agree promise manage encourage Completethefollowingsentences 1 I 希望收到 来信 yousoon 2 John 不想当 thehostofthec
6、harityshow 3 They re 试着解决 theproblembyhimself 4 Millionsofpeople 已学会使用 computers hopetohearfrom doesn twanttobe tryingtosolve havelearnedtouse think find consider it adj todo 动词不定式作宾语的注意事项 不定式作宾语时 如带有宾语补足语 则要把不定式放到后面 用it作形式宾语 构成 主语 动词 it 宾补 形容词 名词 不定式 结构 如 Ifounditnecessarytotalktohimagain Ifounditi
7、mportanttolearnEnglish 动词不定式作宾语的注意事项 有些动词既可跟不定式作宾语 也可跟动名词作宾语 但含义不同 forgettodosth 忘记要做某事forgetdoingsth 忘记曾经做过某事stoptodosth 停下来去做某事stopdoingsth 停止做某事goontodosth 继续做另一件事goondoingsth 继续做原来在做的事needtodosth 需要做某事needdoingsth 需要被做 1 别忘了离开时把灯关了 Don tforgetbeforeleaving 2 父亲必须戒烟了 Fathermuststop 3 他看完电视后 继续看了一
8、会书 AfterhewatchedTV hewentonforawhile 4 这辆自行车需要修理了 Thisbikeneeds toturnoffthelights smoking toread repairing mending 不定式用作宾语补足语 SheaskedmenottowatchTV Lucytoldhimnottocry Tellhertoturnitdown ask tell want need wish warn advise encourage invite expect teach wouldlike hopesb todosth wish Completethefo
9、llowingsentences 1 MrLu 要求我们交 ourhomeworkontime 2 Thedoctor 建议格林先生喝 morewater 3 MrWu 叫学生别嚷嚷 inclass 4 MrsRead 希望儿子学 Englishwell asksustohandinadvisedMrGreentodrinktellsthestudentsnottoshoutwisheshersontolearn 四看 三使 二听 一感觉 feel 不定式作宾补省去to的情况 在被动语态中则to不能省掉 help可带to 也可不带tohelpsb to dosth hearlistento l
10、etmakehave seewatchlookatnotice hadbetterdosth notdosth Whynotdosth Wouldyoupleasedosth Wouldratherdothandosth 不定式作宾补省去to的情况 在被动语态中则to不能省掉 1 JohnwasmadethecarforaweekasapunishmentA towashB washingC washD tobewashing2 Thepatientwaswarnedfoodaftertheoperation A toeatnotB eatingnotC nottoeatD noteating
11、3 Internetbarsmustn tletanybodybadthings especiallychildren A watchB towatchC watchingD watches A C A Exercises 感官动词 feel listento hear see watch lookat notice 后既可跟不带to的不定式作宾补 也可跟v ing作宾补 前者表示动作的全部过程已结束 后者表示动作正在进行 Ioftenhearhersinginthenextroom Iheardhersinginginherroomjustnow 不定式用作定语 不定式作定语时 应放在被修饰
12、词的后面 Wehavealotofhomeworktodo 如果不定式中的动词是不及物动词 则不定式中要有介词 Heislookingforaroomtolivein Thereisnothingtoworryabout something anything nothing adj todoIhavesomethinginterestingtotellyou Findtheto infinitiveineachsentence 1 MrWuisalwaysthefirsttocomeandthelasttoleave 2 Thereisnoneedtotroublehim 3 Haveyoug
13、otanythingimportanttotellme 4 I vegotnothingtoworryabout 5 I mthirsty Givemesomethingtodrink 6 Springisthebestseasontoplanttrees 7 Weallhaveachancetogotocollege 不定式用作状语 etodosth 2 gotodosth 3 stoptodosth 4 inorder not todo5 too adj todosth 6 adj adv enoughtodosth Completesomesentences 1 为了提高英语成绩 Tom
14、goestotheEnglishcornereveryday 2 Iwas 太累了 难于入睡 3 Sheranfast 为了赶上早班车 4 Heis 富有得可以买辆小汽车 InordertoimprovehisEnglish tootiredtofallasleep tocatchthefirstbus richenoughtobuyacar 疑问词 不定式 不定式与疑问词who which when how what where等连用 在句中起名词作用 可充当主语 表语 宾语等 在与why连用时 只用于why或whynot开头的简短疑问句中 后面紧跟的动词不定式不带to Whynothave
15、arest Completethefollowingsentences 1 Hedidn tknow 说什么 2 isveryimportant 如何解决这个问题 3 Myquestionis 什么时候开始 4 Pleaseshowus 如何使用计算机 5 Idon tknowforyou 买什么东西 whattosay Howtosolvetheproblem whentostart howtousethecomputer whattobuy 用作介词的to to 名词 动名词 lookforwardtohearingfromyoubeusedtogettingupearlydevotehi
16、mselftohelpingpoorchildrenpayattentiontoyourspellingpreferwatchingTVtodoinghomework Completethefollowingsentences 1 Wealllookforwardto hear thegoodnews 2 He 宁愿呆在家里也不愿去看电影 3 YinXuemeidevotedallherlifeto teach 4 Father 习惯于看报 aftersupper 5 Ifsomeonelaughsatyou youshould 不理睬 hearing prefersstayingathometogoingtothecinema teaching isusedtoreadingnewspapers paynoattentiontohim It stimetodosth Ittakestime moneytodosth betoo adj todosth be adj enough todosth hadbetter not dosth Whynotdosth prefer A doin
