2023届高考英语二轮复习不定式做表语课件

这是一份2023届高考英语二轮复习不定式做表语课件，共21页。PPT课件主要包含了 总结， 思考， 位置， 含义， 本质， 辨析，Exercises 等内容，欢迎下载使用。
1. Perhaps the best way t understand Western art is t lk at the develpment f Western painting ver the centuries.2. During the Middle Ages, the purpse f Western art was t teach peple abut Christianity.3. In this wrk, Mnet's aim was t cnvey the light and mvement in the scene.4. What they attempted t d was n lnger (t) shw reality.
Read the fllwing sentences
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不定式短语在句中做表语。
不定式作表语，有时根据表达的需要，可以在添加疑问代词或副词，what,wh,when,where,why,hw等。 prblem was hw t begin.The questin is hw t get there.My questin is where t find the way t his hme.
”疑问词+t d”作表语
【位置】 不定式作表语, 位于系动词之后
1.解释主语的内容(行为)；(表将来)2.说明主语行为带来的结果;
表“同意、安排、命令、决定、劝告、愿望、意愿、禁止”They are t marry next week. （表安排）Yu must be patient and persistent if yu are t succeed.(愿望)
常用不定式作表语的情况
1. 主语是建议: suggestin, advice,prpsal目标与计划: aim, gal, purpse, plan梦想与希望: dream, wish, hpe职责: duty
My dream is ___________(becme) a painter.My suggestin abut imprving English is ________(memrize) wrds every day.My duties is ____________(help) my students imprve their English.My next plan is ____________(take) part in a cmpetitin.
2. 以What引导的主语从句，常用不定式作表语，说明主语的内容。What I suggest is t ask yur friends and teachers fr help.What he wants is t slve the prblem.What matters/cunts mst is t cncentrate n yur favurite things.
3. 当主语包含定语从句,且先行词为 代词all, 形容词最高级(the mst,the least)时， 其后可接“系动词+不定式”作表语All he wanted was t sit n the grass and drink sme water.The least I can expect is t have this day all t myself. 至少我能期待这一天是属于我自己的。
不定式作表语，可以省略t的情况
当主语部分含有动词d的某种形式时, 作表语的不定式可以省略。1. what引导的主语从句，含有d的某种形式E.g. What they attempted t d was n lnger shw reality, but instead t ask the questin, “what is art?”
2. all 作主语，其后的定语从句中，含有d的某种形式。E.g. All we need t d is live each day with hpe.3. 主语被序数词、最高级或the nly, the last等修饰, 且其后的定语从句含有d的某种形式。E.g. The nly/first thing that we shuld d nw is learn.The best thing that he did is face the difficulty bravely.
All yu need t d is (t) rank yur bks precisely.The thing fr us t d is (t) attempt t achieve a breakthrugh.The first thing I have t d is (t) cnvey my thanks t yu.
不定式做表语和动名词做表语
原则1: 形式上，最好保持一致
T see is t believe.Seeing is believing. 眼见为实
原则2: 表达某一特定的行为，尤其是将来的行为，通常用t d作表语
Her dream is t be an artist.My plan is t purchase a new realistic painting.
原则3: 表达经常性的行为（强调主语的内容），常用ding作表语
My hbby is painting.My favrite thing is painting prtraits.
用五句话表达你的梦想。（使用不定式作表语）My biggest dream/ambitin is think all I have t d is plan is think ne f the hardest things might be guess the best way t deal t