2023学年完整公开课版形式主语it

GrammarandusagepreparatorysubjectitLookatthefollowingsentencesandfindtherealsubjectofeachsentence.1.Itisimportantforustolearnitwell.2.ItisimportantthatweshouldlearnEnglishwelltoday.3.Itisnousewastingyourtimereadingsuchbooksallday.()()()1.WecanuseitasanemptysubjectA.whenweuseanounclauseasthesubjectofasentence.e.g.ThatwewouldnotbeabletounderstandOldEnglishtodayiscertain.=(preferable)ItiscertainthatwewouldnotbeabletounderstandOldEnglishtoday.

WhetherEnglishwillkeeponchanginginthefutureiseasytoanswer.=(preferable)ItiseasytoanswerwhetherEnglishwillkeeponchanginginthefuture.

Whenwecansetoffdependsontheweather.=(preferable)Itdependsonweatherwhenwecansetoff.It+be+adj.(true,certain,possible,obvious,likely…)that…Itisobviousthatwhathesaidiswrong.ItiscertainthatIwillhelpyou.2.It+be+nounphrase(nowonder,anhonour,apity,one’sduty…)that…Itisapitythatyoucan’tstaylonger.Itwasagreathonourthatyoucouldinvitemethere.it作形式主语的句型:3.It+be+pastparticiple(said,reported,expected,announced…)that…ItisreportedthatLiuXiangwilltakepartinthe30thOlympicGames.ItisexpectedthatLiuXiangwillgetanothergoldmetal.4.It+seems/appears/happensthat….Itseemsthatheisenthusiasticaboutdrawing.=Heseemstobeenthusiasticaboutdrawing.Ithappensthatmynewneighbourcomesfrommyhometown.=Mynewneighbourhappenstocomefrommyhometown.e.g.Tolearnaforeignlanguageisachallengingtask.=(preferable)Itisachallengingtasktomasteraforeignlanguage.

TogainaccesstotheInternetisimportantforus.=(preferable)ItisimportantforustogainaccesstotheInternet.B.whenthesubjectisato-infinitive.C.whenthesubjectisav-ingform.e.g.Itisfunwanderinginthecountryside.=(preferable)Wanderinginthecountrysideisfun.

IttakesupalotofmytimetravellingtoBeijing.=(preferable)TravellingtoBeijingtakesupalotofmytime.1.乘宇宙飞船去月球是可能的。

Itispossibletoflytothemooninaspaceship.Translation2.他似乎已经知道问题的答案。

It