Discoveringusefulstructures

Unit3 Inventorsandinventions Discoveringusefulstructures ThePastParticiple Readthesentencesfromthereadingpassageandrewritethesentences especiallytheunderlinedparts 1 Thereonlyseemedtobepowdersdesignedtokillsnakes Thereonlyseemedtobepowderswhicharedesignedtokillsnakes 2 Preparedwithsomeresearchfindings Idecidedonthreepossibleapproaches AsIwaspreparedwithsomeresearchfindings Idecidedonthreepossibleapproaches 3 Butoncepickedup theytriedtobiteme 4 Butmonitoredcarefully thesnakesprovedtobenotrouble Butoncetheywerepickedup theytriedtobiteme Butastheyweremonitoredcarefully thesnakesprovedtobenotrouble 一 过去分词的定义动词的 ed形式即过去分词 是由动词的过去分词构成 一般只有一种形式 二 过去分词的语法作用过去分词一方面具有动词的性质 另一方面也相当于一个形容词或副词 在句中可以作表语 定语 状语和补足语 Thereviewofthepastparticiple 作定语 单个过去分词作定语通常放在所修饰的名词之前 过去分词短语作定语通常放在所修饰的名词之后 其意义相当于一个定语从句 如 Abrokencupislyingontheground Isitaletterwritteninpen 提醒 过去分词作表语不同于被动语态 过去分词作表语表示主语的状态 被动语态则表示被动的动作 2 作表语 过去分词通常在系动词后面作表语 相当于形容词 多表示主语的心理感觉或所处的状态 Shewasexcitedatthenews Theteacherlooksverypleased Theroadiscoveredwithfallenleaves 表状态 Theroadiscoveredbythefallenleaves 表动作 3 作宾语补足语过去分词 短语 在感官动词和使役动词等之后作宾语补足语 这些词语有 have 让 使 keep 使处于某状态 get 使得 seehearfindfeelleave 使处于某状态 makewantstartnoticeobservewatchset 使处于某状态 Theworklefthimexhausted Idon twantmynamelinkedwithhim 2 过去分词 短语 在使役动词get或have之后作宾语补足语 表示的动作往往是由别人完成的 如 Ihadmycarrepaired 别人修的 Ihadmyhaircut 别人给我理的 Wemustgetthetelevisionsetrepaired 让别人修理 三 过去分词与现在分词的区别 两者的区别主要表现在语态和时间概念上 在语态上 现在分词表示主动意思 过去分词表示被动意思 在时间上 现在分词表示动作政治进行 过去分词则表示动作的完成 比较 Whathesaidwasverytouching 主动 Iwastouchedbythesight 被动 therisingsun正在生起的太阳therisensun升起了的太阳 1 考试成绩令人失望 2 他对考试成绩感到失望 3 上周我听见这首歌被唱了好几次 Theresultofthetestisdisappointing Hefeltdisappointedintheresultofthetest 小试牛刀 Iheardthesongsungseveraltimeslastweek 典型例题 1 Themanagersdiscussedtheplanthattheywouldliketosee thenextyear A carryoutB carryingoutC carriedoutD tocarryout解析 此考题的主句是 Themanagersdiscussedtheplan 检测点在其后的定语从句中 在这个定语从句里 they是其主语 wouldliketosee是其复合谓语 that修饰的是先行词theplan 同时that也是see的宾语 theplan是被执行 被实施的 只有过去分词可以表示被动 故选C C 2 Thecomputercenter lastyear isverypopularamongthestudents A openC havingopenedB openingD opened解析 句子中computercenter与open之间为被动关系 此外open作及物动词时强调动作 不侧重状态 故不用形容词性的open B C为现在分词 不符合题意 故选D D Fillineachblankwiththecorrectverbform 1 Englishisalanguage speak allaroundtheworldandisthe work languageofmostinternationalorganization 2 Theproblem discuss nowisveryimportant 3 Howtofeela grow populationisaproblemthatis trouble manypeople 4 Hefoundamagazine mark withtheowner sname lie onthedeskwiththebackcover tear off 5 Therewasaterriblenoise follow asuddenburstoflight spoken working beingdiscussed growing troubling marked lying torn following OnemorningMr Readisreadinginthelibrary HeisanEnglishteacher love byhisstudents What sthelanguage speak inhiscountry doyouknow English Heoftenreadsintheschoollibrary oneofthehouses build lastyear The rise sunisshining Suddenly thewindowis break What sthematter Mr Readlooksoutofthewindow andaboy dress inwhiteisthere Sorry sir Completethepassageinthecorrectformofeachgivenword loved spoken built risen broken dressed Theboyhasa worry expressiononhisface Myfatherwillcomeandrepairit Oh don tworry Pleasecomeupstairs OK Allright Whentheboycomesup andsocomeshisfather a grow man Afewminuteslater allthethingsare do Thelibraryisnow close Mr Readgoeshomeandsaysgoodbyetotheboyandhisfather worried grown done closed 1 突然出现一个穿绿衣的女子 Suddenlythereappearedayoungwomandressedingreen 2 老师们上演的戏很成功 Theplayputonbytheteacherswasabigsuccess 3 他没有注意到她脸上惊讶的表情 Hedidn tnoticethesurprisedlookonherface TranslatethesentencesintoChinese 4 明天我要理发 I llhavemyhaircuttomorrow 高考链接 Clairehadluggage anhourbeforeherplaneleft 2011陕西 A checkB checkingC tocheckD checked 2 Eventhebestwritersfindthemselves forwords 2011浙江 A loseB lostC toloseD havinglost B D 高考链接 3 TolearnEnglishwell weshouldfindopportunitiestohearEnglish asmuchaswecan 江苏卷 A speakB speakingC spokenD tospeak 4 Wefinishedtheruninlessthanhalfthetime 江西卷 A allowingB toallowC allowedD allows C C 5 Canthose atthebackoftheclassroomhearme 福建卷 A seatB sitC seatedD sat 6 Thetrees inthestormhavebeenmovedofftheroad 湖南卷 A beingblowndownB blowndownC blowingdownD