现在分词课件

3) 有些-ing形式已经转化成形容词，常做定语用来修 饰物，表示“令人……”。常用的此类词有： exciting，amusing，amazing，astonishing， shocking，puzzling，confusing，disappointing， discouraging，pleasing，striking，boring，tiring， touching，moving，interesting，satisfying， terrifying，frightening等。如： 1.那准时一段可怕的经历。 That must have been a _____________ terrifying (terrify) experience. 2.那项试验是一个惊人的成功。 amazing The experiment was an _______(amaze) success. 3.这本书缺了一页。 missing (miss) from this book. There is a page ________
Grammar and usage
Learning aims(学习目标):
1.Grasp the definition(定义) of V-ing 2.Grasp the tenses(时态) and voices(语态) of V-ing 3.Grasp the function(功能) of V-ing.
时态和语态
vt.
语态 类别 时态
主动语态
被动语态
一般式 (与谓语动词同 ing 时发生) 完成式 (先与谓语动词 之前发生)
doing having done
being done having been done
现在分词的否定式： not doing
解题步骤：
1.判断是否为非谓语动词 ↓ 2 .与逻辑主语的关系 ↓ 3 .与谓语动词的先后关系
转换成定语从句：
The people sitting behind us are teachers.
== The people who are sitting behind us are teachers. The expert coming from Hongkong is a lady called Ms Cai. == The expert who comes from Hongkong is a lady called Ms Cai.
2，It 做形式主语的句型，某些句型中用V-ing做逻辑 主语 。 It is no use doing 做…没用 It is no good doing 做…没好处 It is useless doing 做….没有用 There is no point (in) doing 做…没有意义
不要做无意的后悔。 It is no use crying over spilt milk. 抽烟是没有好处的。 It is no good smoking. 说再多也是没有用的。 It is useless talking too much. 跟他争辩是没有意义的。 There is no point in arguing with him.
四、 V-ing作宾语
1）作动词的宾语 making She denied _______(make) a mistake. He imagined _______ leading (lead) a happy life. 2) 作介词宾语 saying (say) good-bye to He left without ______ us. catching Is there any hope of _________(catch) the early bus?
I have two foreign friends, a Canadian and an American.
同位语 Don’t step on the grass. 状语
千万要注意V-ing 形式的规则哟！
不能单独作谓语， 没有人称和数的 变化，可以有自 己的宾语和状语。 还有时态和语态 的变化。
请说明划线部分的句子成分
I lost my umbrella. 主语 She does her homework every day. 谓语 She plays the violin carefully. 宾语 The boy is very naughty. 表语 We made him cry. 宾补 This is a fantastic book. 定语
2) 与被修饰词为主动关系且表示正在进 行的动作.
1.有大约二百个孩子在这所艺术学校学习。 studying There were about 200 children_________ (study) in the art school. 2.正在和我们英语老师谈话的那位妇女是谁？ talking (talk) to our Who is the woman _______ English teacher？
3. 动词forget, go on, mean, regret, remember,
stop, try, be used to, can't help后跟动名词和
跟不定式区别较大，须注意。 forget, regret, remember后跟动名词，动名 词表示已经发生的动作；后跟不定式表示将要发 生的动作。
一、 V-ing作主语
1、 动名词作主语 (表一般性的，泛指的，抽象 的,时间概念不强的动作) 眼见为实，耳听为虚。 Seeing is believing。 说比做容易多了。 Saying is easier than doing. 玩电脑游戏是没有好处的。 Playing computer games is no good. == It’s no good playing computer games.
三、 V-ing作表语
现在分词作表语通常表示主语的属性和特 征,相当于形容词,其主语通常是物. 1.Your journey in Kenya is really __________ exciting (excite). 2.What you did was disappointing ___________ (disappoint). 3.The nightmare I had last night was very__________ frightening(frighten).
注意：除了-ing形式能做定语外，如果-ing形式 表正在与被修饰词又是被动关系，就用它的 被动式，即being done。如： 1.正在被建的高楼是我们的新学校。 being built (build) now is The tall building____________ our new school. 2.正在被讨论的问题是被校长提出的。 being discussed (discus) was The question ______________ presented by the headmaster.
1) remember to do 记住要做某事 remember doing 记得过去做过某事 我记得在街上见过他。 I remember meeting _______ (meet) him in the street. 我想起来要给我父母亲写信。 I remember ______ to write (write) a letter to my parents. 2)forget to do 忘记去做某事 forget doing 忘记做过某事 我忘了去为她寄那封信了. I forgot _______ to mail (mail) the letter for her. 我忘记了写过那篇作文. I forgot ________ writing (write) that composition.
1.The lady said she would buy a gift for her daughter with the __________(remain) 20 remaining dollars . 2.The wild flowers looked like a soft orange blanket __________ covering (cover) the desert. 3.I was told that there were about 50 foreign students studying _______ (study) Chinese in the school， most ________ of whom were from Germany. 4.I was told that there were about 50 foreign studying(study) Chinese in the school， students _______ and most ________(they) were from Germany. of them 5.The question being _____________ discussed(discuss) at present has something important to do with our daily life. developing 6.China is a____________(develop) country ________(belong) to the third world. belonging
1.只接v-ing作宾语的常见动词 avoid, miss, put off;避免错过(少)延期; advise, finish, practise;建议完成多练习; enjoy, imagine, can’t help;喜欢想象禁不住 admit, deny, envy;承认否认与妒忌; escape, risk, excuse;逃避冒险(莫)原谅; stand, keep, mind.忍受保持(不)介意.
2. 只接v-ing作宾语的常见动词短语 insist on, object to, be good at, lead to, put off, give up, feel like, look forward to, devote to, be worth, get used to, pay attention to
二、 V-ing作定语
如果是单个的动词的-ing形式做定语，常放在被 修饰词前做前置定语；如果是动词的-ing形式的短 语做定语，常放在被修饰词后做后置定语。
1. 他是一个攻击型的运动员。 attacking (attack) player. He is an _________ 2. 他提了一个令人难堪的问题。 He asked an embarrassing __________ (embarrass) question. 3.正在学走路的小孩常常跌跤。 A little childlearning _______ (learn) to walk often falls. ==A little child who is learning to walk often falls. 注意：当-ing形式做后置定语时，可以相当于相 应的定语从句。
1) 说明被修饰词的性质，特征或用途。
他们将手术台架设在一座小庙里。 They set up an _____________(operate) operating table in a small temple. 他说不定在阅览室里。 reading He may be in the __________女士们先生们，请去会议室等待。 Ladies and gentlemen，please go and wait meeting in the _____________(meet) room.