外研版 (2019)选择性必修 第三册Unit 5 Learning from nature优秀课件ppt

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Nn-finite非谓语动词
ArtScience Museum, Singapre
学会判断何时使用非谓语动词
1.The girl_____________(dance) in the classrm girl___________(dance) in the classrm nw and she lks very girl _________（dance) in the classrm nw lks very cnfident.
总结：当所给提示词是动词时, 若句中已有谓语动词, 又不是并列谓语时, 则要考虑填非谓语动词。
Nn-finite frms as subject, bject and predicative
The Eastgate Centre, Harare
Read the fllwing sentences and find their subjects
1．Knwing basic first­aid techniques will help yu respnd quickly t emergencies.2．It is n use cmplaining withut taking actin.3．T climb the muntain is hard wrk but t g dwn the muntain is great fun.4．It is nt easy t find yur way arund the twn.
Lk at Sentences and answer questins：1.T prtect the envirnment is everyne’s duty.2. It is everyne’s duty t prtect the envirnment.3. Eating t much chclate is bad fr yur teeth.4. It is n use asking me. I knw n mre than yu knw.划线部分充当的句子成分为：_______ 非谓语中可充当其成分的有：_______ 和_______。
1．­ing形式作主语表示一般的、抽象的、泛指的概念，常用it作形式主语。常用于固定句型：It's a waste f time ding...；It's n use/gd ding...；It is useless ding...；There is n ．不定式作主语，一般表示具体某一次的动作。常用 it作形式主语。3．it作形式主语时，不定式或­ing形式是真正的主语，放在句子后部，以使句子保持平衡。It is +adj + fr sb +t d It is +adj+f sb +t d
The Algae Huse , Hamburg
[即学即练1]　单句语法填空
①His___________(cme)late made the teacher very angry.②It is n use___________ (cry)ver spilt milk.③___________(see)is t believe.④It is imprtant ___________(respect)peple.It is necessary fr yu ___________(give) up smking.
Read the fllwing sentences and find their bjects
1. My English teacher prmised t lend sme bks t me.2．We nly missed seeing each ther by five minutes.3．D yu mind being interrupted while studying?4．My mther culdn't help smiling when she heard the gd news.
Lk at Sentences and answer questins：1. We agreed t meet here but s far she has nt turned up yet.2. David suggested selling yur huse and car t pay the debt.3. I frgt t clse the dr.4. I frgt writing the letter. 划线部分充当的句子成分为：_______ 非谓语中可充当其成分的有：_______；_______。
总结： 1.只能用不定式作宾语的动词：decide/determine，learn，want，expect/hpe/wish；refuse，manage，care，pretend；ffer，prmise，chse，plan；agree，ask/beg，help。此外，affrd，strive，happen，wait，threaten等也要用不定式作宾语。
决心学会想希望，拒绝设法愿假装。主动答应选计划，同意请求帮一帮。
总结： 2.只能用动名词作宾语的动词：cnsider，suggest/advise，lk frward t；excuse/pardn；admit，delay/put ff，fancy(想象，设想)；avid，miss，keep/keep n，practice；deny，finish，enjy/appreciate；frbid，imagine，risk；can't help(禁不住)，mind，allw/permit，escape
考虑建议盼原谅，承认推迟没得想。避免错过继续练，否认完成就欣赏。禁止想象才冒险，不禁介意准逃亡。
总结：3.下列动词短语后也要用­ing形式作宾语
be used/accustmed t，lead t，devte t，g back t，stick t，bject t，get dwn t，pay attentin t，can't stand (无法忍受)，give up，feel like，insist n，，aplgize fr，be busy (in)，have difficulty/truble (in)，have a gd/wnderful/hard time (in)，spend time (in)，lk frward t
总结： 4.动词后面既可以接t d 也可以接ding,意思不一样
总结： 4.动词后面既可以接t d 也可以接ding,意思不一样 t d 停止做某事 指停止做原来的事情 stp ding 停下（手头的事情）去做另外一件事
Hearing the drbell,she stpped washingthe dishes. 听见门铃声，她停止洗碗了。 Hearing the dllbell, she stpped t pen the dr. 听见门铃声，她停下手中的活去开门。I had meant t give yu this bk tday，but I frgt.我本来打算今天给你这本书的，可是我忘了。Missing this train means waiting fr anther hur.错过这辆火车意味着再等一小时。
[即学即练2]　单句语法填空①David refused ________(accept)my invitatin.②I had great difficulty ________(find)the suitable fd n the menu in that restaurant.③Bill suggested ___________(hld)a meeting n what t d fr the Exp during the vacatin.
1.The prblem remains plan is t keep the affair jb is making wheelchairs fr disabled beautiful village remains unknwn t the rest f the jb is t paint the dg is dg is he wanted t suggest is t cut dwn the price and increase the sales.
Read the fllwing sentences and find their predicative
lk(看起来)，feel(感到、摸上去)，smell(闻起来) , taste(尝起来)，sund(听起来)
seem(似乎是)，appear(似乎、显得)，prve(证明是)， turn ut (结果是, 证明是) 等, etc.
becme, get（常用来指人或物的状态的变化，becme 接单数名词时,名词前接冠词）turn (变成… +颜色,气味,天气,职业,年龄,时间等, 注意：接单数名词时, 单数名词前不接冠词 ),grw（表成长,发展中的变化，常+ strng, tall, thick, healthy etc.),g (多指朝坏的方面变化， 常+ wrng, bad, mad, hungry, blind etc), cme (表事物的发展转向好的状态，常+ all right, true, alive etc.), fall（表进某种入状态 常+ ill, sick, silent, asleep etc.),run (变得不好, 常+ dry, shrt, wild etc.)
remain(依然)，keep(保持)，stay(保持)等.
如何判断是否是表语？---表语常位于系动词之后除了 be 动词,其他的系动词（半系动词）大致可分为四类：
1.What he says sunds gd. 2.She lks much yunger in her red dress. 3.He appears （t be ）very friendly with seem t have misunderstd the fish in the fridge, r it will g bad in ht weather. 6.The meat will stay fresh fr several days in the fridge. 7.He never keeps angry fr a lng time.
Lk at Sentences and answer questins：1.My jb is t clean the rms every wish is t be a dctr in the jb is playing all kinds f news is felt exicted.划线部分充当的句子成分为：_______ 非谓语形式中可充其成分的有： _______ ；_______；_______。
表示主语的具体内容，目的（可与主语互换位置）--具体的一次性的动作
形容词化，说明主语的性质或特征译为“令人”
表示抽象性的，习惯性的动作，表示主语的内容（可与主语互换位置）--经常性的一般性的动作
形容词化，说明主语的状态或感受译为“感到”
My real intentin is nt t hurt her best friend.My jb is t prmte the new prduct.
(1)不定式:说明主语内容，具体、特定、未来主语通常是抽象名词：aim/ purpse/ idea/ intentin/ plan/ wish/ decisin/ chice/need
She is t return next week.It was abut t leave when it started t rain.
(2)be t d 可构成将来时态,表 “准备/打算/计划/需要”;
His jb is cllecting flk sngs. As friends, ur duty is caring abut each ther.
说明主语内容，一般或习惯性的动作
The spy stry was thrilling. The news is shcking.
说明主语的特征，翻译为”令人……的”
He was thrilled at the suggestin. The dr remained lcked.
（1）说明主语的感受或状态，翻译为“感到……的”常跟在以下连系动词后作表语：be, get, feel, remain, seem, lk, becme
The bk is well written.The bk was written by M Yan.
（2）过去分词作表语和被动语态的区别“be+过去分词”：表示状态时，是系表结构，分词形容词化； 表示动词时，是被动语态，动词执行者由介词by引出。
[即学即练3]　单句语法填空①The queen's wrk is _______(lay)eggs.②The purpse f educatin is________(develp)a fine persnality in children.③The next step is __________(make)sure that yu knw exactly what is required.④His ambitin is _________(g)Harvard University.
1.__________ (remve) all the bks will take us half an 's mre, it's ur duty __________(take) care f the purpse is __________(mtivate) turists t get t knw the native language.4.I find it enjyable __________(study) can't affrd __________(g) abrad this refused __________(accept) my invitatin.