it做形式宾语的用法 .ppt

Theuseof“it”as?aformofanobjectit做形式宾语的用法

Hefounditdifficulttostopsmoking.Ithinkitbestthatyoushoulddomoreexercise.Shethoughtitnogoodworryingabouthim.It作形式宾语代替不定式短语,从句或动词-ing。it做形式宾语的用法

1.It用作形式宾语

当不定式（短语）、动名词（短语）或从句在句子中作宾语时，为保持平衡，避免句式结构的混乱，常用it作形式宾语，而将真正的宾语放在句尾。此时it只起引导作用，无意义。S+v+it+adj.n(forsb)todosth..从句doingsth+it做形式宾语的用法

……findpossibleS+think+it+necessary+(forsb.)todosth./that-clausefeelimportant……Sentencepatterns:形式宾语…arule2.S+V+it+one’sduty+(forsb.)todosth./that-clauseanhonour…3.S+V+it+nogood+doingsth.nouseit做形式宾语的用法

完成句子（1）They________________（发觉……难）?tofinishtheirworkintwodays.（2）We________________（认为……是我们的职责）tocleanourclassroomeveryday.（3）Itisimportant_______（对她来说）tocome?totheparty.founditdifficultthinkitourdutyforherit做形式宾语的用法

作形式宾语(PreparatorySubject)为了记忆方便我们把该句型总结为6123结构。

6指主句中常用的动词：think,believe,make,find,consider,feel；

1指的是形式宾语it；

2指的是宾补的两种形式：形容词或名词；

3指的是真正宾语的三种形式：不定式短语，动名词短语或从句。Wethinkitourdutytocleanourclassroomeveryday.

HefeltitimportantlearningEnglishwell.

Theyfounditdifficultthattheywouldfinishtheirworkintwodays.it做形式宾语的用法

1.Thefactthatshewasforeignmade____difficultforhertogetajobinthatcountry.A.SoB.muchC.thatD.it2.Thedoctorthought____wouldbegoodformetohaveaholiday.A.thisB.thatC.oneD.It3.Idon’tthink_______possibletomasteraforeignlanguagewithoutmuchmemorywork.

A.thisB.thatC.itsD.it

it做形式宾语