高中英语课件：grammar不定式1.pptx

B3U2NaturalDisaster;Teachingobjectives

Attheendofthisclass,thestudentswillbeableto

1.Understandthepassageonpage20.

2.mastertheusageofto-infinitivesasattributivesandadverbialsofresult

3.applyto-infinitivesasattributivesandadverbialsofresulttorealsituations.;1;

1.Checkhomework

2.Learnwordsandexpressions.

3.Enjoysomepicturesandavideoabouthurricane,andanswerthefollowingquestion:Whatdoyouthinkofhurricane?;Step2:Presentation;;To-infinitivesasadverbialsofresult

;1.experienceastronghurricane

2.attendaconference

3.thatwasoneofthecitiestobehit

4.turnedontheTVforsomelocalnews

5.onlytohearthatahurricanewasonitsway;6.asyouimagine,

7.therewasnothingformetodobutstayinside.

8.thestrongwindandheavyrain

9runoutofsupplies用光供给物

10.donatesthtosb

;Activity1:Fillingintheblanksonpage20ofB3U2

Whentheto-infintiveisusedasanattributive,itisoftenput(before/after)thenounorpronounitmodifies.

Whentheto-infintiveisusedasanadverbialofresult,itcanrefertoan__________(expected/unexpected)result.Inthiscase,weoftenuseonlybeforetheto-infinitive.;Activity2:Self-study

Gothroughthenotesonpage98andpage99andunderlinethekeywords;Activity3:Haveacompetitionbypresentingtheusageoftheto-infinitive

动词不定式用作定语：

动词不定式用作定语，一般置于被修饰的名词或者代词之后，与名词或者代词之间有一定的逻辑关系：

;1.名词或代词为动词不定式的逻辑主语。如：

Wendywasthefirstonetoarriveatschool.

2.名词或代词为动词不定式的逻辑宾语。如：

Ihaveameetingtoattend.

如果动词不定式是不及物动词，需加介词才能与名词或代词之间构成动宾关系。如：

Thisisagoodtopictotalkabout.

3.名词与动词不定式是同位关系。如：

Sheexpressedawishtomakeachange.

4.动词不定式作定语，有被动形式。如：

Thehousetobebuilttherewillbealibrary.;动词不定式作结果状语

动词不定式作结果状语，常见于以下结构：

1在too...to...结构中。如：

Itsnevertoolatetolearn.

2在...enoughto...结构中。如：

Iwasfortunateenoughtogettheticket.

3在soadj/advasto...结构中。如：

Janesangsowellastocomeo