2023学年完整公开课版Unit1 Learning About Language 优质课件（二）

ART——LearningAboutLanguageDiscoverusefulstructuresLeadinPerhapsthebestwaytounderstandWesternArtistolookatthedevelopmentofWesternPaintingoverthecenturies.Whatdothesesentenceshaveincommon?1PerhapsthebestwaytounderstandWesternArtis

tolookatthedevelopmentofWesternPaintingoverthecenturies.DuringtheMiddleAges,thepurposeofWesternArtwastoteachpeopleaboutChristianity.2DuringtheMiddleAges,thepurposeofWesternArt

was

toteachpeopleaboutChristianity.InImpression,Sunrise,Monet’saimwastoconveythelightandmovementinthesceneratherthanadetailedrecordofthesceneitself.3InImpression,Sunrise,Monet’saim

was

toconveythelightandmovementinthesceneratherthanadetailedrecordofthesceneitself.Thepurposeofeducationistodevelopafinepersonalityinchildren.4Thepurposeofeducation

is

todevelopafinepersonalityinchildren.Thesebooksareofgreatvalueandtheyarenottobesold.5Thesebooksareofgreatvalueandthey

are

nottobesold.A

+be动词

+

(not)todoBGrammar“去做”---表示将来或预计“todo”To-infinitiveFunctionsofinfinitive常见的Idon’tknowwhatis

tohappentousifwegoonlikethis.=

whatwillhappenThebestitemontheprogramisstilltocome.=hasn’tcomeyet;willcomelater表示将来或预计Grammar“todo”To-infinitiveexpressthepurposeof

somethingorsomeone’sopinionaboutsomething.eg:Thepurposeofducationis

to

devlop

a

fine

personality

inchildren.GrammarFunctionsofinfinitive常见的Thenextstepistomakesurethatyouknowexactlywhatisrequired.thepurposeofthenextstepTheyare

tofinishtheworkbeforethemanagercomesback.theyplantofinish

If

I’mtobethereontime,Imustleaveatonce.+条件状语从句表示目的表示计划或意图GrammarFunctionsofinfinitive常见的Youaretoreporttothepolice.yourdutyasacitizen;youshoulddosthAssheisamiddleschoolstudent,sheistobeinclassat7inthemorning.herdutyasamiddleschoolstudent表示责任或义务GrammarFunctionsofinfinitive常见的Youhavedonesomuch.Youaretoberewarded.YoushouldberewardedThesebooksareofgreatvalueandtheyarenottobesold.Thebooksshouldnotbesoldfortheirgreatvalue用于被动语态,相当于can/could,should,oughtto,must,具有情态意义GrammarFunctionsofinfinitive常见的Ifitweretorain,

wewouldhavetocancelthematchtomorrow.=Ifitshouldrain,we

wouldhavetocancelthematchtomorrow.表示虚拟语气GrammarFunctionsofinfinitive特殊的

Visitorsaretoleavewhenthebellrings.

itistheruleYouaretodoyourhomeworkbeforeyouwatchTV.youareorderedtodo表示命令或规定GrammarFunctionsofinfinitive特殊的

Thebookwasnottobefound.I

guessed

wewouldnotbeabletofindthebookTheaccountoftheeventistobefoundintoday’spapers.Itisverylikelythatthereportoftheeventwillappearinpapers.表示推测GrammarFunctionsofinfinitive特殊的Theywerenevertomeetagain.theyweredestinednevertomeeteachotheragain表示命中注定ItisMarywhobroketheglassandsheistoblame.

=sheshouldbeblamed

被动式主动表被动Whatmakesmehappyistoseehim.=ToseehimmakesmehappyPS：有主语从句的情况下，不定式作“真正”主语5.Themainpurposeofhisspeechis

(raise)people'sawarenessaboutpollution.

4.Yourdutyis

(ensure)allthechildren'ssafety.

3.Whatthelittleboyfearedwas

(leave)aloneathome.

2.Myintentionis

(apply)foramaster'sdegreefromPekingUniversity.

1.Whatmademeexcitedwas

(hear)hehadbeenchosenasmonitorofourclass.

Exercise主

语Be

动词Todo表语作真正主语表意图作真正主语表责任表目的Follow-upquestion:whatkindoffunctionsdotheseinfinitiveformshaveinsentences?1.Whatmademeexcited

was

(hear)hehadbeenchosenasmonitorofourclass.

tohear2.Myintention

is

(apply)foramaster'sdegreefromPekingUniversity.

toapply3.Whatthelittleboyfeared

was

(leave)aloneathome.

tobeleft4.Yourduty

is

(ensure)allthechildren'ssafety.

toensure5.Themainpurposeofhisspeech

is

(raise)people'sawarenessaboutpollution.

toraiseSumma