1、教学目标1、 掌握v-ing功能及使用范围2、 能够识别v-ing并根据句意选用正确的形式。3、 能够将v-ing形式应用到写作中,提升写作水平教学重点1、 非谓语V-ing的识别2、 非谓语v-ing的应用教学难点1、 非谓语ving的功能及应用教学过程一、复习预习1. 引导学生复习上节内容,批改学生上次课的作业,以题带点,查漏补缺。2. 复习必修四 unit2-unit4 v-ing 形式做主语,表语,宾语,宾语补足语 ,定语和状语。Unit3 课文原句: Unfortunately his father died, leaving the family even worse.翻译:不幸的
2、是他的父亲去世了,使得他的家境更加艰难 要点考点:leaving. 现在分词作结果状语常表示 “意料、情理之中 ”句式仿写:他们遇上交通阻塞,因而迟到了。They were caught in a traffic jam,thus causing the delay.二、知识讲解考点/易错点1非谓语v-ing做主语V-ing形式做主语(注意谓语动词用单数)Reading in bed js bad for your eyes.句型:It s no use /no good/useless +v-ing (注意:it 为形式主语 v-ing 形式为真正的主语。1.覆水难收(It s no use
3、 crying over the spilt milk.)2.抱怨是无用的 (It s no use complaining.)考例: Once your bus in ess becomes international, con sta ntly will be part of your life.A.your fly flight C. Flight D. Flyi ng(答案)D。由于空格后出现了 constantly这一副词,这就说明不能选 B或C,因为B C均 为名词,不能受副词 constantly的修饰。A和D均是可能的,因为其中有动词 fly。但若选A,you fly是一个主谓
4、结构,与其后的谓语 will be相冲突,所以只能选 D,即动名词flying在此用作主语。考点 /易错点 2:v-ing 形式作表语v-ing 形式作表语时放在系动词之后,用来泛指某种动作或行为,以说明主语的身份、性质 或情况。Seeing is believing. 眼见为实翻译1. My dream is going to key university (上重点大学)。2. My job is teach ing(教学)。考点 /易错点 3:v-ing 形式作宾语1.口诀v-ing 形式作宾语,承认依靠和推辞 ;喜欢面对便欣赏,错过原谅别介意;避免借口遭否认,包括想像多坚持;要阻止,别延
5、迟,想要脱逃冒险值;一个忍受两完成,忙于报告提建议。即:在 admit, avoid, appreciate, depend, enjoy, escape, excuse, face, fancy, imagine, favor, finish, deny, include, keep, mind, miss, pardon, practise, prevent, risk, delay, suggest, report, be busy, be worth, complete, stand ,put off 后加 v-ing 作宾语。2动词短语后只能接 V-ing 形式作宾语的有: cant
6、 help, prefer doing A to doing B, be used to (习惯于) , end up, feel like, lead to, be busy (in), be tired of, be fond of, be afraid of, be proud of, think of / about, put off, keep on, insist on, be good at, give up, prevent / stop / keep . from. 等。我已习惯生活在这儿了。 ( I have been used to living here. )我喜欢集邮
7、和收集钱币。 ( Im fond of collecting stamps and coins. ) 获得英语竞赛的第一名,我感到很自豪。( Im proud of winning the first prize in the English competition. )3 need, require, want 译作“需要”时,后接 V-ing 形式作宾语,主动形式表示被动意义, 相当于 to be done 。The radio needs / requires / wants repairing / to be repaired. 收音机需要修理了。考点 /易错点 4:v-ing 做定语
8、-ing 形式作定语1)单个动词的 -ing 放在名词的前面,既可以表示被修饰者的功能,也可以表示被修饰者的 动作或状态。如:A walking manA walking stickA sleeping bagA sleeping student饮用水 drinking water发展中国家 developing country手杖 walking stick阅览室 reading room2) -ing 形式短语作定语时 如:, 放在所修饰的名词之后 , 并且在意思上相当于一个定语从句。They lived in a room facing the street. = They lived
9、in a room that faces the street.The man standing there is Peter s father. = The man who is standing there is Peter s father. 句型转换1. The man who is running in the picture is Liu Xiang.(The man running in the picture is Liu Xiang.)2. The techer who teaches us Math is our headteacher.(The teacher teach
10、ing us Math is our headteacher.)二、例题精析【例题1】【题干】【2013 北京】24. the course very difficult, she decided to move to a lowerlevel.A. Find B. Finding C. To find D. Fou nd【答案】B【解析】考查非谓语动词。此处动词find与主语she为主动关系且作原因状语,故用现在分 词fin di ng。句意:(由于)她发现该课程很难,她就决定转到低一水平的(课程)。例题 2】【题干】【 2013 福建】 22. basic first-aid techni
11、ques will help you respond quickly toemergencies.A. Known B. Having known C. Knowing D. Being known【答案】 C此句谓语为 will help ,因此所选非谓语动词做主语,故使用动名 词,答案选 C。例题 3】【题干】(2010 重庆卷)The news shocked the public , to great concern about studentssafety at school.A having led BledC leading D to lead解析: 句意为:这条新闻使广大民众感
12、到很震惊,引起了人们对在校学生安全的担忧。考查非谓语动词作结果状语。首先排除 B和D两项;having done指动作先于谓语动词发生,在此不符合语境,故只能选择 C。【例题4】【题干】【2013 新课标 II 卷】 got to the office earlier that day, the 7:30 train fromPadd ingtonA. caught B. to have caught C. to catch D. havi ng caught【答案】D根据句意,因为我赶上了 7:30的车,所以那天我更早地到了办公室,可知赶车发生在到办公室之前,且与主语 I之间为主动关系,故使
13、用现在分词完成体表主动完成。例题 5】【题干】【 2013 四川】8. which university to attend, the girl asked her teacher for advice.A. Not knowing B. Knowing not C. Not known D. Known not【答案】 A主语 the girl 与非谓语动词 know 之间为主动关系,故用现在分 词;且非谓语动词的否定式应在其前加否定词。据此可知答案为 A。此处分词Not knowing在句中作原因状语。四、四、课堂小结内容小结1动名词形式的基本用法2.动名词的复合结构3.动名词的时态和语态4.动名词的否定式5.动名词与动词不定式的区别
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