第三人称单数动词变化规则.docx
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第三人称单数动词变化规则.docx
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第三人称单数动词变化规则
第三人称单数动词变化规则
PRE-UNITTEST1A.第三人称单数动词变化规则B.a/an,some和any的用法C.many和much的用法D.一般过去时E.一般疑问句、特殊疑问句和否定句F.形容词与副词
G.物主代词H.介词
I.定语从句
A.Writethesesentencesagain.BegineachsentencewithHe.1.Iambusy.Heisbusy.HeislearningEnglish.Hehasanewbook.Helivesinthecountry.Hewillseeyoutomorrow.Hecanunderstandyou.
2.IamlearningEnglish.3.Ihaveanewbook.4.Iliveinthecountry.5.Ishallseeyoutomorrow.6.Icanunderstandyou.7.Imustwritealetter.8.Imaycomenextweek.10.Ididalotofworkyesterday.
Hemustwritealetter.Hemaycomenextweek.
9.Idoalotofworkeveryday.Hedoesalotofworkeveryday.Hedidalotofworkyesterday.
11.Iplayedfootballyesterday.12.Iboughtanewcoatlastweek.13.IhavehadaletterfromTom.14.Iwasbusythismorning.15.IcouldplayfootballverywellwhenIwasyoung.16.Ialwaystrytogetupearly.17.Imightseeyounextweek.18.Ialwaysenjoyagoodfilm.19.Ihadfinishedmywork.20.Iwatchtelevisioneverynight.
Heplayedfootballyesterday.Heboughtanewcoatlastweek.HehashadaletterfromTom.Hewasbusythismorning.Hecouldplayfootballverywellwhenhewasyoung.Healwaystriestogetupearly.Hemightseeyounextweek.Healwaysenjoysagoodfilm.Hehadfinishedmywork.Hewatchestelevisioneverynight.
语法小结:
第三人称单数动词变化规则1.一般现在时和一般将来时
I一般情况在词尾加-s以-s,-x,-ch,-sh结尾的词加-es以辅音字母加y结尾的单词改y为i再加-eslookteach
helooksteaches
study
studies
以辅音字母加o结尾的词加-eshavebe一般将来时助动词
do,godoes,goeshavehasiswill
amshall
2.同型的情况1)情态动词:
can,must,may,could,should,might,would…2)一般过去时:
looked,taught,studied,did,went,had,was…
B.Writethesesentencesagain.Putina,someorany.1.Therearebooksonthedesk.some2.Idrankglassofbeer.aany3.Doyouwantbutter?
4.Therearentanypeopleinthestreet.
5.Tomhasjustbought6.Wehave7.CanIhavesome
newcar.aappletreesinourgarden.
barofchocolate,please?
aany8.Thereisntbreadinthattin.anyinkinthatbottle?
9.Isthereany10.Arethereeggsinthatbasket?
语法小结:
a/an,some和any的用法1.不定冠词a和an的用法:
a和an是不定冠词,表示泛指,常用于可数名词的单数形式前。
a用在以辅音发音开头的单词前,e.g.auniversitystudent,aone-eyedelephant;an用在以元音发音开头的单词前,e.g.anhour,anX-raymachine。
1)表示“一个”,意为oneIhaveanewbook.我有一本新书。
2)表示“某一个”,意为acertainAMr.Wangiswaitingforyou.有位姓王的先生在等你。
3)表示一类人或物Aknifeisatoolforcuttingwit
h.刀是切割的工具。
Mr.Smithisanengineer.史密斯先生是工程师。
4)组成词组或习语alittle,afew,alot(of),atypeof,agreatmany,manya,asarule,inahurry,inaminute,inaword,inashortwhile,afterawhile,haveacold,haveatry,keepaneyeon,allofasudden…
2.形容词some的用法:
some既可以修饰可数名词又可以修饰不可数名词,常用在肯定句中。
1)用来修饰名词的单数形式,表示“某一”或“某个”Sheisplayingchesswithsomeboy.她在和一个男孩下棋。
2)用来修饰名词的复数形式或不可数名词,表示“某些”,“若干”,“一部分的”,“一些”Ihavesomeworktodothisevening.今晚我有一些事要做。
Somemushroomsarepoisonous.有些蘑菇是有毒的。
3)表示“好些”,“好几个”,“不少”HelivedinLondonforsomeyears.他在伦敦住了好几年。
3.形容词any的用法:
any既可以修饰可数名词又可以修饰不可数名词,常用在否定、疑问句和if从句中。
1)表示“任一“,”每一”Hewantedajob,anysortofajob.他需要一份工作,任何工作都行。
2)若干,一些,一点,丝毫Ifthereisanytrouble,doletmeknow.如遇到麻烦,务必告诉我。
Ihaventanymoneytospare.我的钱都用光了。
Arethereanylettersforme?
有我的信吗?
3)尽可能多的,所有的Sendmeanydatayoucanfind.把你能找到的所有资料送来给我。
C.Writethesesentencesagain.Usemanyormuch.1.2.3.4.5.Ihaventanybutter.Youhaventanycigarettes.Wehaventanymilk.Shehasntanybiscuits.Theyhaventanystationery.Ihaventgotmuchbutter.Youhaventgotmanycigarettes.Wehaventgotmuchmilk.Shehasntgotmanybiscuits.Theyhaventgotmuchstationery.
语法小结:
many和much的用法many和much做形容词时都表示“许多”的意思,但是,many用于修饰可数名词的复数形式,而much用于修饰不可数名词。
D.Writethesesentencesagain.Usesimplepasttense.1.Hebuysanewcareveryyear.2.Sheairstheroomeveryday.3.Heoftenloseshispen.4.Healwayslistenstothenews.5.Sheemptiesthisbasketeveryday.1.Heboughtanewcarlastyear.2.Sheaireditthismorning.3.Hehispenthismorning.lost4.Helistenedtothenewsyesterday.5.Sheemptiedthisbasketyesterday.
E.Completethesesentences.Usesimplepasttense.1.Heboughtanewcar.Q:
Didhebuyanewcar?
Q:
Whatdidhebuy?
N:
Hedidntbuyanewcar.3.Theywerehereyesterday.Q:
Weretheyhereyesterday?
Q:
Whenweretheyhere?
N:
Theywerenthereyesterday.5.Hegaveyouapen.Q:
Didhegiveyouapen?
Q:
Whatdidhegiveyou?
N:
Hedidntgiveyouapen.9.Yousawthatfilm.Q:
Didyouseethatfilm?
Q:
Whendidyouseethatfilm?
N:
Youdidntseethatfilm.10.Hearrivedattwooclock.Q:
D
idhearriveattwooclock?
Q:
Whendidhearrive?
N:
Hedidntarriveattwooclock.
语法小结:
一般过去时1.基本结构:
主语+动词过去式+其他否定形式:
①was/were+not;②在行为动词前加didn't,同时还原行为动词一般疑问句:
①Was/Were+主语+其他?
②Did+主语+do+其他?
特殊疑问句:
①疑问代词+was/were+主语+其他?
②疑问代词+did+主语+动词原形+其他?
2.用法:
1)表示过去发生的动作或状态eg.Theywenttotheparkyesterday.2)表示过去经常发生的动作或状态eg.Theyalwayscametohelpusthosedays.3.动词变化规则1)直接加-ed:
work-worked2)以e结尾的单词,直接加-d:
live-lived3)以辅音字母+y结尾的,变y为i加-ed:
study-studied4)以元音字母+y结尾的,直接加-ed:
enjoy-enjoyed5)以重读闭音节结尾的,双写最后的辅音字母加-ed:
stop-stopped
6)不规则变化:
am/iswascutareweredodrinkdriveeat
cutdiddrankdroveate
havehearkeepknowleave
hadheardkeptknewleft
sayseesellsend
saidsawsoldsent
becomebecamebeginbreakbeganbroke
speakspoke
bringbuiltbuycatchchoose
broughtbuiltboughtcaughtchose
feelfind
feltfound
losemakemeetpayput
lostmademetpaidput
standtaketeachtellthink
stoodtooktaughttoldthought
forgetforgotgetgivegotgave
comecost
camecost
gogrow
wentgrew
haverun
hadran
winwrite
wonwrote
E.Completethesesentences.Usegeneralquestion,specialquestionandnegation.2.Shecancometomorrow.Q:
Canshecometomorrow?
6.Helivesnextdoor.Q:
Doeshelivenext
Q:
Whencanshecome?
N:
Shecantcometomorrow.4.Hemustleaveearly.
door?
Q:
Wheredoeshelive?
N:
Hedoesntlivenext
Q:
Mustheleaveearly?
Q:
Whyhemustleaveearly?
N:
Heneedntleaveearly.8.Hehasfoundhispen.
door.7.Youknowhimwell.Q:
Doyouknowhimwell?
Q:
Howwelldoyou
Q:
Hashefoundhispen?
Q:
Whathashefound?
N:
Hehasntfoundhispen.
knowhim?
N:
Youdontknowhimwell.
语法小结:
一般疑问句、特殊疑问句和否定句1.情态动词:
must,can/could,may/might,oughtto,shall/should,will/would…1)基本结构:
主语+情态动词+动词原型+其他2)否定形式:
主语+情态动词+not+动词原型+其他注意:
must的否定形式是neednt3)一般疑问句:
情态动词+主语+动词原型+其他?
4)特殊疑问句:
①疑问代词(除why)+情态动词+主语+动词原型+其他?
②Why+主语+情态动词+动词原形+其他?
2.一般现在时1)基本结构:
①主语+am/is/are+其他;②主语+动词原型/动词第三人称单数形式+其他2)否定形式:
①主语+am/is/are+not+其他?
②主语+助动词do/does+not+动词原型+其他?
3)一般疑问句:
①Am/Is/Are+主语+其他?
②助动词Do/Does+主语+动词原型+其他?
4)特殊疑问句:
①疑问代词
+am/is/are+主语+其他?
②疑问代词+助动词do/does+主语+动词原形+其他?
F.Completethesesentences.Useadverbs.1.Hereadthephrase2.Heworked4.Heworkedlazily3.Hecuthimself5.Thedooropenedslowly.(lazy).(bad).(careful).(sudden).(slow)
badlycarefully
suddenly
语法小结:
形容词转换副词1.副词(adverb,简写为adv)是一种用来修饰动词、形容词、全句的词,说明时间、地点、程度、方式等概念的词。
副词可分为:
地点副词、方式副词、程度副词、疑问副词和连接副词。
2.形容词转变成副词的规则:
1)直接加-ly:
slow-slowly2)以辅音字母+y结尾的,变y为i加-ly:
lazy-lazily3)部分以不发音的-e结尾的,去e加-ly:
true-truly
G.Writethesesentencesagain.Useshortforms.1.2.3.4.5.Hewillarrivetomorrowmorning.Shewillcomethisevening.Ishallseeyouthedayaftertomorrow.Hewillnotbelieveme.Weshallnotremainhere.1.2.3.4.5.Hellarrive…Shellcome…Illseeyou…Hewontbelieve…Weshantremain…
语法小结:
be、助动词、情态动词的缩写形式1.肯定形式:
Iam-Im,heis-hes,youare-youre,shewill-shell,Ishall-Ill,ithas-its,theyhave-theyve2.否定形式:
isnot―isntarenot―arentwasnot―wasntwerenot―werenthasnot―hasnthavenot―haventwillnot―wontwouldnot―wouldntshallnot―shantshouldnot―shouldntdonot―dontdidnot―didntoughtnot―oughtntdarenot―darent
H.Completethesesentences.Usepronouns.1.2.3.4.5.Thesethingsbelongtomyhusband.Theyare.hisThiscoatbelongstome.Itismine.Theseshoesbelongtomywife.Theyarehers.ThesepensbelongtoTomandBetty.Thepensaretheirs.yoursThissuitcasebelongstoyou.Itis.
语法小结:
物主代词1.英语中的物主代词可分为形容词性物主代词和名词性物主代词。
形容词性物主代词起形容词的作用,用在名词前;名词性物主代词起名词的作用。
为避免重复使用名词,有时可用“名词性物主代词”来代替“形容词性物主代词+名词”的形式。
也就是说,名词性物主代词=形容词性物主代词+名词2.物主代词:
主格名词性物主代词
I
weour
youyour
hehishis
sheher
itits
theytheirtheirs
形容词性物主代词my
mineoursyours
hersits
I.Completethesesentences.Usecomparisonofadjectives.1.Itiscooltoday,butitwas2.Itiswettoday,butitwascooleryesterday.wetteryesterday.3.Heslateagaintoday,buthewaslateryesterday.4.Thistestiseasy,butthatoneiseasier.5.Thisbookisexpensive,butthatonemoreexpensive.islarger6.Thisbookcaseislarge,butthatoneis7.Thatfilmwasinteresting,buttheotheronemoreinteresting.was8.Bettyispretty,butJaneismorebeautiful.
10.Tomisintelligent,butBillisisprettier.9.MissGreenisbeautiful,butMissWhite
.
moreintelligent.
语法小结:
形容词和副词的比较级1.比较级的构成:
1)一般情况下在形容词和副词后直接加-er2)以-e结尾的形容词和副词加-r3)以辅音字母+y结尾的,改y为i,+-er4)重读闭音节的单词,双写最后一个辅音字母+-er5)多音节单词的比较级和最高级分别在单词前加more6)不规则变化原级good/wellbad/badlymany/much比较级betterworsemore
littlefarold
lessfarther(表示距离远)further(表示程度深)older(可以表示旧的、年长的,作表语,后接than)elder(作定语,仅仅表示兄弟姐妹间的长幼关系)
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