高中英语人教版 (2019)选择性必修 第二册Unit 5 First Aid课前预习ppt课件

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 5 First Aid课前预习ppt课件，共34页。

▶T stp the wrk nw seems impssible. 现在把工作停下来似乎是不可能的。▶It’s impssible t finish the jb in ne day.在一天内完成这项工作是不可能的。▶It’s n gd wrrying abut it nw.现在为此发愁是没用的。
【探究总结】(1)动词-ing形式作主语表示一般的、经常的或抽象的动作,不定式作主语则表示具体的、一次性的或尚未做的动作。(2)动词-ing形式作主语时,为了避免出现头重脚轻的现象,往往可以用______作形式主语,而真正的主语是后面的动词-ing形式。 (3)动词-ing形式作主语用it代替时,表语有限制,此时表语往往是______/n use/a waste f time等。 
答案: (2)it　(3)n gd
【应用实践】 用所给动词的适当形式填空。①______ (learn) a freign language is very useful t everyne. ②It’s very difficult fr him ______ (understand) the thery. ③It’s a waste f time ______ (try) t persuade him t change his mind. 
答案: ①Learning　②t understand　③trying
2. 动词-ing形式作表语【观察思考】 ▶My favurite sprt is swimming.我最喜欢的体育运动是游泳。▶The result is very disappinting.结果是非常令人失望的。▶The cup is brken, s he is very disappinted.杯子坏了,所以他感到很沮丧。▶She is t lk after the children.她将要照顾这些孩子。
【探究总结】(1)动词-ing形式作表语有两个用法:一是说明主语的内容,二是说明主语的______,常译为“______”,相当于形容词作表语。前一用法作表语时,和主语位置互换后,句意不变;后一用法作表语时,和主语不能互换位置。 (2)动词-ed形式作表语通常是表示主语的状态、状况,常译为“______”。 (3)不定式作表语则表示将来的动作、命令、建议、事态发展的结果等。
答案: (1)性质、特征　令人感到……的 (2)感到……的
【应用实践】 用所给动词的适当形式填空。①He is very ______ (excite) at the news; that is t say, the news is very ______ (excite). ②Their majr amusement is ______ (raise) pigens. 
答案: ①excited　exciting　②raising
二、动词-ing形式作宾语1. 只能跟动词-ing形式作宾语的动词和短语动词【观察思考】 ▶D yu mind passing me that dictinary?你介意递给我那本字典吗?▶After he finished reading the stry, he went shpping with his father.读完这个故事之后,他和爸爸一起去购物了。▶D yu bject t wrking n Sundays?你反对周日上班吗?
【探究总结】(1)除了mind、 finish、 enjy、 practise等动词外,后面必须跟动词-ing作宾语的动词还有______________等。 (2)除了bject t、 feel like、 give up等短语动词外,后面必须跟动词-ing作宾语的短语动词还有______________等。  
答案: (1)suggest, imagine, admit, allw, advise, risk, keep, avid, escape, cnsider, excuse, miss, appreciate(2)put ff, lk frward t, pay attentin t, get dwn t, have truble/difficulty (in), have fun, lead t/cntribute t, devte t/be devted t
后跟动词-ing形式作宾语的动词和短语动词:建议考虑坚持练:suggest, advise, cnsider, insist n, practise允许想象弃冒险:permit, allw, imagine, give up, risk阻止抵制否避开:prevent, resist, deny, escape不禁介意保持完:can’t help, mind, keep, finish承认错过心喜欢:admit, miss, enjy
【应用实践】 用所给动词的适当形式填空。①As mre and mre wild land has been turned int farmland, the mnarch butterflies (帝王蝶) have had truble ______ (find) enugh milkweed. ②I’d advise ______ (buy) yur tickets well in advance if yu want t travel in August. ③Have yu cnsidered ______ (accept) his invitatin t the birthday party? 
答案: ①finding　②buying　③accepting
2. 既可跟动词-ing形式,又可跟动词不定式作宾语的动词和短语动词及其区别【观察思考】 ▶When yu leave the rm, remember t turn ff the lights. 当你离开房间的时候,记得关灯。▶I remembered clsing the dr when I left.我记得当我离开的时候,我关门了。
【探究总结】(1)既可跟动词-ing形式,又可跟动词不定式作宾语的动词和短语动词有___________________________等。 (2)remember t d表示“__________”,而remember ding则表示“__________”。 
答案: (1)remember, frget, regret, stp, g n, mean, begin, start, try (2)记得去做某事　记得(已经)做了某事
答案:①t eat　trying　②slving
【应用实践】 用所给动词的适当形式填空。①I didn’t mean ______ (eat) anything but the ice cream lked s gd that I culdn’t help ______ (try) it. ②Why nt try ______ (slve) the prblem in anther way? 
3. need、 want、 require、 be wrth和be wrthy的用法【观察思考】 ▶These flwers need watering.→These flwers need t be watered.这些花需要浇水。▶This place is wrth visiting.→This place is wrthy t be visited.→This place is wrthy f being visited.这个地方值得参观。
【探究总结】(1)动词need、 want、 require表示“______”时,其后用动词-ing形式的主动形式(ding)或______作宾语,表示“事情需要被做”。 (2)be wrth后用动词-ing形式作宾语,构成______;而be wrthy后面的非谓语动词用被动形式,构成______。 
答案: (1)需要　动词不定式的被动形式(t be dne)(2)be wrth ding sth　be wrthy t be dne/f being dne
【应用实践】 用所给动词的适当形式填空。①The bike needs ______ (repair). ②The place f interest is really wrth ______ (visit) again. →The place f interest is really wrthy ______ (visit) again. →The place f interest is really wrthy f ______ (visit) again.
答案: ①repairing/t be repaired②visiting　t be visited　being visited
三、动词-ing形式作定语【观察思考】 ▶Can yu see the swimming girl?你能看到那个正在游泳的女孩吗?▶She trains five times a week at the lcal swimming pl. 她一周在当地的游泳池训练五次。▶The girl swimming there is his daughter.正在那边游泳的女孩是他的女儿。
【探究总结】(1)动词-ing形式作定语置于名词前有两种情况:一种是表示被修饰的名词正在进行的状态或动作,另一种是表示被修饰的名词的______。 (2)动词-ing短语作定语时要放在所修饰名词的______(前面/后面)。 
答案:(1)性能、用途　(2)后面
【应用实践】 用所给动词的适当形式填空。①My parents bught a ______ (wash) machine the ther day in the supermarket. ②The by ______ (read) in the rm is gd at English. 
答案: ①washing　②reading
四、动词-ing形式作宾语补足语1. 感官动词与感官短语动词后的宾语补足语【观察思考】 ▶I smelt smething burning. 我闻到有东西烧煳了。▶Did yu hear the clck striking? 你听见钟敲响了吗?▶I heard her lck the dr. 我听见她锁门了。
【探究总结】感官动词与感官短语动词(see、 watch、 bserve、 ntice、 lk at、 hear、 listen t、 feel)后面的宾语和宾语补足语之间表示主动、进行的动作时,用______作宾语补足语;当感官动词与感官短语动词后面的宾语和宾语补足语之间表示主动、______的动作时,用不带t的不定式作宾语补足语。 
答案: 动词-ing形式　完成
2. 使役动词have和get后的宾语补足语【观察思考】 ▶Dn’t have the water running while brushing yur teeth. 刷牙时,不要让水一直流。▶Dn’t get him talking abut his illness. 不要让他一直谈论他的病。【探究总结】have和get这两个使役动词都可用动词-ing形式作宾语补足语,即have sb/sth ding (=get sb/sth ding),表示“______”。 
答案: 让某人/某物一直做某事
have sb/sth d sth(=get sb/sth t d sth) 表示“让某人/某物做某事”。
【应用实践】 用所给动词的适当形式填空。①I culd feel the wind ______ (blw) n my face. ②Did yu see anyne ______ (enter) the huse? ③Can yu really get that car ______ (g) again? 
答案: ①blwing　②enter　③ging
五、动词-ing形式作状语【观察思考】 ▶The by came running int the huse.男孩跑进屋子里。▶Hearing the news, they all jumped with jy.听到这个消息,他们都高兴得跳了起来。▶Being a student, he was naturally interested in museums. 由于他是学生,他自然对博物馆很感兴趣。▶His parents died, leaving him an rphan. 他父母去世了,留下他成了孤儿。
【探究总结】动词-ing形式作状语,常表示伴随、______、______、结果、条件、让步等,与句子主语之间构成逻辑上的______关系。  
答案: 时间　原因　主谓
【应用实践】 用所给动词的适当形式填空。①Over 2,000 peple were there ______ (watch) the ftball match.  ②______ (see) nbdy at hme, she decided t leave them a nte. ③I gt hme, ______ (feel) very tired. 
答案: ①watching　②Seeing　③feeling
六、使用动词-ing形式的注意事项【观察思考】 ▶Reading carefully, he fund smething he hadn’t knwn befre.仔细阅读时,他发现了一些他以前不知道的东西。▶Being surrunded by her families, Emily gained her strength.在家人的陪伴下,埃米莉获得了力量。▶Having finished her hmewrk, she went ut t play. 已经完成了作业,她出去玩了。
▶Having been trapped in traffic, he was late fr wrk. 由于堵车,他上班迟到了。▶Nt knwing her address, we culdn’t get in tuch with her. 因为不知道她的地址,我们没法和她联系。▶I hpe yu dn’t mind my saying that. 我希望你不介意我那么说。
【探究总结】(1)动词-ing形式有一般式(主动形式:ding,被动形式:______)和完成式(主动形式:______,被动形式:having been dne) 两种。 (2)动词-ing形式的一般式表示其动作与谓语动词的动作(几乎)同时发生,完成式表示其动作在谓语动词的动作______(之前/之后)发生。 (3)动词-ing形式用作状语时,其逻辑主语与______保持一致。(4)动词-ing形式的否定式是在前面加______构成。 (5)动词-ing形式前面有时可加名词所有格、物主代词或人称代词的宾格。 
答案: (1)being dne　having dne　(2)之前 (3)句子的主语　(4)nt