亲爱的网友们，很多人可能对zero/first/second/th和第二条件句句型不是很了解，所以今天我来和大家分享一些关于zero/first/second/th和第二条件句句型的知识，希望能够帮助大家更好地了解这个话题。

本文目录一览

zero/first/second/third conditional之间有什么区别吗？

TheZeroConditional

Wecanmakeazeroconditionalsentencewithtwopresentsimpleverbs(oneinthe'ifclause'andoneinthe'mainclause'):
If+presentsimple,....presentsimple.
Thisconditionalisusedwhentheresultwillalwayshappen.So,ifwaterreaches100degrees,italwaysboils.It'safact.I'mtalkingingeneral,notaboutoneparticularsituation.Theresultofthe'ifclause'isalwaysthemaincluase.
The'if'inthisconditionalcanusuallybereplacedby'when'withoutchangingthemeaning.
Forexample:Ifwaterreaches100degrees,itboils.(Itisalwaystrue,therecan'tbeadifferentresultsometimes).IfIeatpeanuts,Iamsick.(Thisistrueonlyforme,maybe,notforeveryone,butit'sstilltruethatI'msickeverytimeIeatpeanuts)
Herearesomemoreexamples:

Ifpeopleeattoomuch,theygetfat.
Ifyoutouchafire,yougetburned.
Peopledieiftheydon'teat.
Yougetwaterifyoumixhydrogenandoxygen.
Snakesbiteiftheyarescared
Ifbabiesarehungry,theycry

TheFirstConditional

Thefirstconditionalhasthepresentsimpleafter'if',thenthefuturesimpleintheotherclause:
if+presentsimple,...will+infinitive
It'susedtotalkaboutthingswhichmighthappeninthefuture.Ofcourse,wecan'tknowwhatwillhappeninthefuture,butthisdescribespossiblethings,whichcouldeasilycometrue.
Ifitrains,Iwon'tgotothepark.
IfIstudytoday,I'llgotothepartytonight.
IfIhaveenoughmoney,I'llbuysomenewshoes.
She'llbelateifthetrainisdelayed.
She'llmissthebusifshedoesn'tleavesoon.
IfIseeher,I'lltellher.
Firstvs.ZeroConditional:
Thefirstconditionaldescribesaparticularsituation,whereasthezeroconditionaldescribeswhathappensingeneral.

Forexample(zeroconditional):ifyousitinthesun,yougetburned(hereI'mtalkingabouteverytimeapersonsitsinthesun-theburningisanaturalconsequenceofthesitting)

But(firstconditional):ifyousitinthesun,you'llgetburned(hereI'mtalkingaboutwhatwillhappentoday,anotherdaymightbedifferent)
Firstvs.SecondConditional:
ThefirstconditionaldescribesthingsthatIthinkarelikelytohappeninthefuture,whereasthesecondconditionaltalksaboutthingsthatIdon'tthinkwillreallyhappen.It'ssubjective;itdependsonmypointofview.

Forexample(firstconditional):Ifshestudiesharder,she'llpasstheexam(Ithinkit'spossibleshewillstudyharderandsoshe'llpass)

But(secondconditional):Ifshestudiedharder,shewouldpasstheexam(Ithinkthatshewon'tstudyharder,orit'sveryunlikely,andsoshewon'tpass)

TheSecondConditional

Thesecondconditionalusesthepastsimpleafterif,then'would'andtheinfinitive:
if+pastsimple,...would+infinitive
(Wecanuse'were'insteadof'was'with'I'and'he/she/it'.Thisismostlydoneinformalwriting).
Ithastwouses.
First,wecanuseittotalkaboutthingsinthefuturethatareprobablynotgoingtobetrue.MaybeI'mimaginingsomedreamforexample.
IfIwonthelottery,Iwouldbuyabighouse.(Iprobablywon'twinthelottery)
IfImettheQueenofEngland,Iwouldsayhello.
Shewouldtravelallovertheworldifshewererich.
Shewouldpasstheexamifsheeverstudied.(Sheneverstudies,sothiswon'thappen)
Second,wecanuseittotalkaboutsomethinginthepresentwhichisimpossible,becauseit'snottrue.Isthatclear?Havealookattheexamples:
IfIhadhisnumber,Iwouldcallhim.(Idon'thavehisnumbernow,soit'simpossibleformetocallhim).
IfIwereyou,Iwouldn'tgooutwiththatman.
Howisthisdifferentfromthefirstconditional?
Thiskindofconditionalsentenceisdifferentfromthefirstconditionalbecausethisisalotmoreunlikely.

Forexample(secondconditional):IfIhadenoughmoneyIwouldbuyahousewithtwentybedroomsandaswimmingpool(I'mprobablynotgoingtohavethismuchmoney,it'sjustadream,notveryreal)

But(firstconditional):IfIhaveenoughmoney,I'llbuysomenewshoes(It'smuchmorelikelythat'llhaveenoughmoneytobuysomeshoes)

TheThirdConditional

Wemakethethirdconditionalbyusingthepastperfectafter'if'andthen'wouldhave'andthepastparticipleinthesecondpartofthesentence:
if+pastperfect,...would+have+pastparticiple
Ittalksaboutthepast.It'susedtodescribeasituationthatdidn'thappen,andtoimaginetheresultofthissituation.
Ifshehadstudied,shewouldhavepassedtheexam(but,reallyweknowshedidn'tstudyandsoshedidn'tpass)
IfIhadn'teatensomuch,Iwouldn'thavefeltsick(butIdideatalot,andsoIdidfeelsick).
Ifwehadtakenataxi,wewouldn'thavemissedtheplane
Shewouldn'thavebeentiredifshehadgonetobedearlier
Shewouldhavebecomeateacherifshehadgonetouniversity
Hewouldhavebeenontimefortheinterviewifhehadleftthehouseatnine

返回目录

第二条件句句型

第二条件句(secondconditional)表示现在或将来不可能实现或实现的可能性很小的一种假设.
第二条件句中的谓语动词用一般过去时或should(wereto)+动词原形,而主句中的谓语动词则用would/should/could/might+动词原形.在现代英语中,if非真实条件状语从句中的谓语动词如果是be,其过去形式一般用were.
例句：IfIwereyou,Ishouldnotdothat.
if条件句中如有were,should,had,可以省去if,并使用倒装语序.
WereIaboy,Iwouldjointhearmy.

返回目录

总结：以上就是本站针对你的问题搜集整理的答案，希望对你有所帮助。