人教版（2019）選擇性必修第二冊課件 unit1 Science and Scientists Grammar-Infinitives as the predicative課件

Unit1ArtGrammar—Infinitives(2)asthepredicative不定式作表語的魅力課堂導入Readthesesentencesfromtheprevioustextandfillintheblanksusingwordsfromthetext.Discusswithyourpartnerthefunctionoftheitalicizedinfinitives.1.Perhapsthebest_______tounderstandWesternartistolookatthedevelopmentofwesternpaintingoverthecenturies.2.DuringtheMiddleAges,the________ofwesternartwastoteachpeopleaboutChristianity.waypurposeReadthesesentencesfromtheprevioustextandfillintheblanksusingwordsfromthetext.Discusswithyourpartnerthefunctionoftheitalicizedinfinitives.3.Inthiswork,Monet’s_____wastoconveythelightandmovementinthescene…4.______________________wasnolongershowreality,butinsteadtoaskthequestion,“Whatisart?”aimWhattheyattemptedtodotodotobedonetohavedone動詞不定式形式有四種形式tohavebeendone不定式一般式不定式一般被動式不定式完成式不定式完成被動式動詞不定式形式的否定式是在前面加not構(gòu)成。語法講解本單元語法學習不定式todo作表語的用法不定式相當于名詞、形容詞、副詞。動詞不定式一般式形式todo可作主語，賓語，表語，定語，賓語補足語，狀語，插入語等成分。不定式todo作表語的位置be(am/is/are/was/were)+不定式seem/appear/remain/get/prove/grow等連系動詞+不定式Thepurposeofeducation

is

todevelopafinepersonalityinchildren.教育的目的是發(fā)展兒童良好的品格。Childrenseemtobecomemature.孩子們似乎變得成熟了。不定式todo作表語的含義有哪些？1.表解釋說明。Mydreamistobeapilot.我的理想是當一名飛行員。2.表示目的。Thenextstepistounderstandexactlywhatconveysinthecontemporarypainting.下一步要弄清楚這幅當代畫所表達的確切內(nèi)涵。3.用于第一人稱疑問句，表示征求意見WhatamItodoifIfailtofindagoodsolution?如果不能找到一個好的解決方案，我該怎么辦呢？4.表示事態(tài)發(fā)展的結(jié)果、預期的結(jié)果及預言。Ifyouaretolivealonglife，youmustkeephealthy.如果你想長壽，你必須保持健康。不定式todo作表語的含義有哪些？5.表示“安排、命令、決定、勸告、意愿、禁止”等。HeistoheadforTibetnextweek.下周他要動身到西藏去。（安排）Youaretohaveachatwiththemafterschool.放學后你應該和他們聊天。（勸告）Boysarenottowearlonghair.男生不準留長發(fā)。（禁止）6.用于被動語態(tài)，相當于should，具有情態(tài)意義。Thesepaintingsofgreatvaluearenottobesold.這些很珍貴的油畫不應該賣掉。不定式todo作表語的含義有哪些？7.seem/appear/remain/get/prove/grow等連系動詞+不定式，用來表達將來的動作或者說明主語的內(nèi)容。Auseofthecomputernetworkistosende-mails.計算機網(wǎng)絡(luò)的一個用途是發(fā)送電子郵件。Shedoesn’tseemtolikemyidea.她似乎不喜歡我的主意。不定式todo作表語的含義有哪些？翻譯句子1.下周我要動身到中國去。（安排）2.你應該和他們當面談一談。（勸告）3.兒童不準吸煙。（禁止）4.這些很珍貴的書籍不應該賣掉。活學活用IamtosetoutforChinanextweek.Thesebooksofgreatvaluearenottobesold.Childrenarenottosmoke.You