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TheInfinitive
动词不定式;动词不定式的构成:;动词不定式的用法;;Itis+n.(+forsb.)+todosth.
用于此句型的名词有:pity,shame,pleasure,one’sduty,one’sjob,fun,joy,goodmanners,badmanners等。
Ittakessb.+sometime+todosth.
该句型意为“做某事花费某人多长时间”。
It’s+adj.+〔for/ofsb.)+todosth.
该句型意为“做某事对某人来说是……”。;1.It’scleverofyoutorefuseher.
2.Itwascarelessofhertomakesuchamistake.
3.It‘sverykindofyoutohelpus.;不定式像名词一样,可以放在be动词后面。;(1)Ihopetobeadoctor.
Shedecidedtomakeanothertry.
Theyallwanttoseethefilm.
Wehopetobebackhomeat6:00.
(5)Freddidn’thaveanymoney,sohedecidedtolookforajob.;
e.g.
Ifinditdifficulttounderstandhim.
Wethoughtitwrongnottohelpher.
Theyfounditimpossibletogeteverythingreadyintime.
;1.Idon’tknowwheretogo.
2.Hedidn’tknowwhattodo./howtodoit.
3.Canyoutellmehowtogetthere?
4.Ican’tdecidewhichtochoose.
5.Theteachershowedushowtouseacomputer.;1.Wehavecometolearnfromyou.
2.Igotupearlytocatchthebus.
3.Theboyisoldenoughtogotoschool.
4.Hewastooexcitedtosayaword.
5.Shewassurprisedtohearthenews.
6.I’mgladtomeetyou.
;表示目的:
Hecameherejusttoaskmesomequestions.
Heboughtabicycletogototownmorequickly.
Hewenthometoseehismother.
HecamehereinordertoseeCharlie.
Heshoutedandwavedsoastobenoticed.
Hewentearlyinordernottomissthetrain.
Iturnedtheradiodownsoasnottodisturbhim.
;表示结果:;表示原因:;以下动词用不定式作宾语补足语时,带to:;以下动词用不定式作宾语补足语时,必须省去不定式符号to:
e.g.
1.Heobservedsomeoneopenthedoor.
2.Iwatchedthemgetintothecar.
3.Didyounoticehimleavetheroom?;总结:省to的不定式;1.Ihavealotofhomeworktodo.
2.Doyouhaveanythingtosay?
3.Myfatherhassomethingimportanttotellme.
4.Wouldyoulikesomethingtodrink?
5.Hereisabookforyoutoread.
6.Ihavenotimetotalk
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