it的用法常用句型.pptx

会计学知识(zhīshi)梳理Someoneisringingthedoorbell.Goandseewhoitis.
It’sJohnonthephone.
2.用作非人称代词，指时间(shíjiān)、天气、距离或自
然现象等。如：
Itisonlyhalfanhour’swalktothehospital.
It’sabouttwokilometersfromheretothestation.
Itisrainingheavilyoutside.
二、it作引导词
1.it作形式主语的常用句型★“It+be+名词+主语从句”中从句谓语常用“（should+）动词原形”。常用于本句型(jùxínɡ)的主要有apity,ashame,nowonder,noaccident等。如：
Itisagreatpitythatheshouldbesogreedy.
Itisashamethatheshouldattempttoinjurethereputationofanhonestman.
Itwasnoaccidentthatsuchabookshouldappearinthe18thcentury.
★“It+be+形容词+主语从句”中从句谓语常用“（should+）动词原形（或完成时）”。常用于本句型(jùxínɡ)的形容词主要有impossible,strange,surprising等。如：
Itisimpossiblethatitshouldbeamerecoincidence.
It’sstrangethatsheshouldhavebeenarrestedforstealing.
Itwassurprisingthatheshouldhavefinishedwritinganovelinonlytwentydays.
★“It+动词（+宾语或状语）+主语(zhǔyǔ)从句”。常用于本句型的动词主要有please,happen等。如：
Itpleasedmeverymuchthathesucceeded.Itpleasesmethatheshouldwanttotalkwithme.
ItsohappenedthathehadjustleftforTianjin.
★“It+动词的被动语态+主语从句(cónɡjù)”。常用于本句型的动词主要有accept,admit,allow,announce等。如：
It’sacceptedthattheuniverseisendless.
Itisgenerallyadmittedthatheisatrustworthyperson.
Itwasannouncedthatallprisonerswouldbesetfree.ItwasannouncedthatthePrimeMinisterwouldspeakontelevisionthatevening.
2.it作形式宾语
★根据句子(jùzi)结构的需要，人们常用it作形式宾语，而将真正的宾语放在宾语补足语后。常用于这种句型的动词有believe,bring,consider,declare,feel,find,make,prove,think等。如：
Ifinditamazingthatanyonewouldwanttolistentothatmusic.
Idon’tthinkitpossibletomasteraforeignlanguagewithin3months.
Ifounditworthwhilereadingthisbook.★it作形式宾语的常用句型：
1）动词+it+if/when从句(cónɡjù)
当enjoy,like,dislike,love,hate,prefer,appreciate等动词后需要接一个if或when引导的从句(cónɡjù)时，需要在动词后接it作形式宾语。如：
Shewon’tlikeitifyouarrivelate.
Hehatesitwhenpeopleusehisbike.
I’dpreferitifIdidn’thavetodosomuchwork.
Iwouldappreciateitverymuchifyouwouldhelpmewithit.2）动词+介词(jiècí)+it+that从句
能用于此句型的主要有：dependon,answerfor,seeto。如：
Youmaydependonitthathewillturnupintime.
Ican’tanswerforitthattheboyishonest.
I’llseetoitthatalltheseletterswillbesenttothepostbeforetwelve.
三、it用于