人教版高中英语必修四课件：Unit 4 Body language Learning about Language （共26张PPT）

课件26张PPT。Unit 4 Body language
Learning about LanguageLearning aims1.Find out in the reading text sentences with present participle(s) used as the attribute or adverbial.
2. Learn how to use the -ing form as the attribute &adverbial.
3. Practice the -ing form as the attribute & adverbial.画出下列句子主干(主语/谓语/宾语）Leading-in1.Yesterday, another student and I , representing
our university’s student association, went to the
Capital International Airport to meet this year’s
international students.
2.After half an hour of waiting for their flight to
arrive, I saw several young people enter the waiting
area looking around couriously.
3.I stood for a minute watching them and then went
to greet them.-ing 形式作定语和状语的用法一、-ing形式作定语
1. 单个动词-ing形式作定语位于被修饰名词的前面，既可以表示被修饰者的作用或功能，也可以表示被修饰者的动作或状态。
building materials
= materials for building 建筑材料drinking water
= water for drinking 饮用水
a walking stick
= a stick for walking 手杖
a reading room
= a room for reading 阅览室
a writing desk
= a desk for writing 写字台2. -ing形式短语作定语时, 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。例如：
They lived in a room facing the street.
= They lived in a room that faces the street.
他们住在一间面朝街的房间。
The man standing there is Peter’s father.
= The man who is standing there is Peter’s father.
站在那儿的那个人是彼得的父亲。 3. -ing形式短语也可以用作非限制性定语，相当于
一个非限制性定语从句, 这时, 它与句子其他部分用
逗号分开。例如：
His brother, working as a teacher, lives in Beijing.
= His brother, who is working as a teacher, lives in Beijing.
他那个当教师的哥哥住在北京。The apple tree, swaying gently in the breeze, had a good crop of fruit.
= The apple tree, which was swaying gently in the breeze, had a good crop of fruit.
那棵苹果树硕果累累，在微风中轻轻摇曳。【即学即练】单句语法填空
1.Sophia got an e-mail ___________(ask) for her credit card account number.
索菲亚收到了一封向她索要信用卡账号的电子邮件。
2.The room is empty except for a bookshelf ________
(stand) in one corner.
除了墙角有一个书架，这间屋子空荡荡的。askingstanding二、The Present Participle as Adverbial （现在分词作状语） 1. -ing分词的构成：
-ing分词是由动词原形词尾加-ing构成，表示与主语是主动关系。-ing分词同样有时态和语态的变化，通常有下表中几种形式（以do为例）：-ing分词的一般时的动作和后面句子的动作是同时进行的，完成时的动作是先于后面句子的动作发生的。
Being a student, he was interested in books.??
作为一名学生，他对书很感兴趣。
Not having studied his lessons very hard, he failed the examinations.
因为没有努力学习功课，他考试不及格。2. -ing分词的一般时和完成时：3. -ing分词的被动式：-ing分词的被动式表示与后面句子的主语是被动关系。根据-ing分词动作发生的时间，被动式有一般被动式(being done)和完成被动式(having been done)。
Having been criticized by the teacher, he gave up smoking. ??????
被老师批评以后，他把烟戒了。4. -ing分词的否定形式由not/never加-ing分词构成。
Not knowing his address, I could do nothing but stay at home and wait.不知道他的地址，我只好待在家里等着。5. 现在分词作状语可以表示时间、原因、结果、条件、让步、方式或伴随情况等。②现在分词所表示的动作一发生，主句的动作就立即
发生时，现在分词一般位于句首。
While reading the book, he nodded from time to time.?
他一边看书，一边不时地点头。
Seeing those pictures, she remembered her childhood.???
看到那些画，她想起了她的童年。1）-ing分词短语作时间状语，相当于一个时间状语从
句。注意：①现在分词所表示的动作与主句的动作一
般是同时发生, 有时可由连词when, while引出。2)-ing分词短语作原因状语，相当于一个原因状语
从句。
Not knowing his address, I can’t send this book to
him.??因为不知道他的地址，我不能把这本书送给他。
Being so excited, many of us couldn’t go to sleep that
night.???
因为非常激动，那晚我们许多人都没睡着。3)-ing分词短语作结果状语。 His father died, leaving him a lot of money.?
他父亲死了，留给他许多钱。
She was so angry that she threw the toy on the ground, breaking it into pieces.
她非常生气，把玩具扔在地上，把它摔成了碎片。
The song is sung all over the country, making it the most popular one.
这首歌在全国范围内传唱，使它成为了最流行的歌曲。4) -ing分词作伴随状语，可以放在句子的前面、后面或中间，表示主语的另一个、较次要的动作。
They stood there for half an hour watching the stars in the sky.???
他们在那儿站了半小时，观察着天上的星星。
Following the old man, the young people started walking slowly.年轻人跟在老人的后面开始慢慢地走起来。5）-ing分词也可作条件状语和让步状语，相当于
一个状语从句。
Using your head, you will find a way.
动动脑，你就能找到一个方法。
Knowing all this, they made me pay for the damage.??????
尽管知道了一切情况，他们还是要我赔偿损失。
【名师点津】-ing分词作状语时，它的逻辑主语一般是整个句子的主语。1.分词短语作状语时, 前后两个动作的主语是同一个人。
2.分词短语作状语时，前面可以加上连词或介词，但是分词短语和句子之间不能用并列连词(如and)，分词和主句之间可用逗号。三、使用- ing形式需注意的4个问题：3.用v.+ing一般时还是having + done完成时，要看前
后两个动作有没有明显的先后顺序，在可能引起误
解的场合应该用现在分词的完成时表示先发生的动
作。
4.分词的否定形式是在分词短语前面加上 not, never
等否定词。1.(2017·天津高考)The hospital has recently obtained new medical equipment,________(allow) more patients to be treated.
2. (2016?北京高考)Newly-built wooden cottages line the street, _______(turn) the old town into a dreamland.
3. (2016?天津高考)The cooling wind swept through our bedroom windows,________ (make) air conditioning unnecessary.
【高考链接】单句语法填空making turningallowing4.（2015?天津高考）_____________ (work) for two days, Steve managed to finish his report on schedule.
工作了两天，史蒂夫如期完成了报告。
5. (2015?重庆高考)Like ancient sailors, birds can find their way _________(use) the sun and the stars.
像古代的水手一样,鸟儿能够用太阳和星星来找到前行的方向。
Having workedusingThe secretary worked late into the night, ____________(prepare) a long speech for the president. 2. European football is played in 80 countries, __________(make) it the most popular sport in the world. makingClass exercisespreparing3. ____________(judge) from what he said, he must be the thief who has stolen the car.Judging4．The missing singer was last seen ____________
(exercise) the voice close to the bridge．
5.The directors discussed the project that they would
like to see __________(carry) out the next year． exercisingcarriedGoals determine what you’re going to be.
— Julius Erving
目标决定你将成为怎样的人。
—— 欧文