课件64张PPT。Section Ⅳ Grammar & Writing(一)过去分词
一、过去分词的构成
规则动词的过去分词是在动词词尾加-ed,不规则动词的过去分词有其不规则的变化规则。例如:leap→leapt,keep→kept,lay→laid,know→known等,这些不规则变化需要单独强化记忆。
二、过去分词本身的含义
过去分词含有“被动”或“完成”的意思。
a broken heart 一颗破碎的心
a ploughed field 犁过的田地
a risen sun 已升起的太阳
三、过去分词的句法作用
1.过去分词作定语
(1)作定语的过去分词相当于形容词。及物动词的过去分词作定语,既表被动又表完成;不及物动词的过去分词作定语,仅表完成。
单个的过去分词作定语时,一般放在被修饰词的前面;过去分词短语作定语时,则放在被修饰词的后面。
They are doing their written exercises.
他们正在做书面作业。
The machine run by the old worker is made in Shenyang.
老工人操作的机器是在沈阳制造的。
注意:有些单个的过去分词,像left(剩余的),
given(所给的),concerned(有关的)等,习惯上用作后置定语,如the book given,the people concerned等。(2)及物动词的过去分词和逻辑主语(即它所修饰的名词)之间是被动关系,强调动作已完成,可以扩展为一个谓语动词是被动语态的定语从句。
不及物动词的过去分词和逻辑主语之间是主动关系(即:只说明逻辑主语所处的状态、特点、特征等),强调动作已完成,可以扩展为一个谓语动词是主动语态的定语从句。
a question discussed yesterday=a question which was discussed yesterday(discuss为及物动词,表示动作的被动和完成)一个昨天讨论过的问题
the fallen leaves on the ground=the leaves which have fallen on the ground(fall为不及物动词,表示动作已完成)
落在地面上的树叶
2.过去分词作表语
过去分词置于系动词之后,作表语。只限于单个过去分词作表语(过去分词短语不作表语)。只有come,go,leave等少数几个不及物动词的过去分词可以用来作表语。能用作表语的过去分词已脱离了动词的特征,只当作形容词使用,说明主语的状态,或人对事物的看法以及心理反应等。
My hope is gone.我的希望破灭了。
He is very excited at the news.
听到这个消息他很激动。
She looked disappointed.她看上去很失望。
注意:某些表示心理状态、情感变化等动词的过去分词,脱离了动词特征,而当作形容词使用,表示“感到……”。这些词的现在分词表示“令人感到……”。
disappointing results令人失望的结果
disappointed people失望的人们
the surprised look on her face她脸上吃惊的表情
the surprising look on her face她脸上令人吃惊的表情3.过去分词作宾语补足语
动词的过去分词作宾语补足语时表明宾语是该动词的作用对象,动词与宾语之间有逻辑上的动宾关系。可以带过去分词作宾补的动词有感官动词see,hear,feel,notice,find,
watch,observe,smell,look at,listen to
等,使役动词have,get,make等,以及其他类动词,如keep,leave,like,want,wish等。
We found her greatly changed.
我们发现她大大地改变了。
The teacher explained the problem several
times but still couldn’t make himself
understood.
这个问题老师解释了好几遍,学生们还是不明白。
注意:have/get sth.done结构的用法:
(1)表示主语的意图,让别人为自己做某事,但别人是谁,往往不加说明。
I’ll have/get my watch repaired.
我将叫人把我的手表修理一下。
有时主语也可能参与完成或解决某事。
We’ll have/get the house repaired.
我们将要修一下房子。
(2)have sth.done还可表示主语遭遇、遭受某一不愉快、不测的事情。
He had his leg broken while playing football.
他踢足球时摔断了腿。
但要注意:have sth.done不总是使役结构。
I have no money left.我没有剩余的钱了。
(句中的have是“有”的意思,left是定语)
4.过去分词作状语
(1)过去分词作状语,该分词短语相当于一个状语从句;当我们把该分词短语转变为一个状语从句时,该从句应该具备两个特征:
①从句中的主语和主句中的主语必须一致。
②从句谓语动词为被动语态形式。
Given another hour,I could also work out this problem.
(=If I was given another hour,I could also work out this problem.)
如果再给我一个小时,我也能解出这道题。
(2)过去分词可用来作时间、原因、条件、让步、方式或伴随状语。
Seriously injured,she had to be taken to the hospital.(表原因)由于伤势严重,只好把她送往医院。
United,we stand;divided,we fail.(表条件)
团结则存,分裂则亡。
Although exhausted after a long journey,she continued to work.(表让步)
虽然长途旅行后很疲惫,但她仍旧继续工作.
The hunter walked slowly in the forest,followed by his dog.(表伴随)
猎人在森林里慢慢地走着,后面跟着他的狗.
注意:状语从句改成过去分词作状语时,有时还可保留连词,构成“连词+过去分词”结构作状语。
When given a medical examination,you should keep calm.
当你接受体检时要保持镇定。(3)部分过去分词相当于形容词,作状语时不表示被动关系,而表示主语所处的状态。这样的过去分词及短语常见的有:lost in(陷入某种状态),seated(坐着的),hidden(躲着),
stationed(驻扎),lost/absorbed(沉溺于),born in(出身于),dressed in(穿着),tired of(厌烦了)等。
Lost/Absorbed in deep thought,he didn’t hear the sound.因为沉溺于思考中,所以他没有听到那个声音。
作状语的过去分词(短语)的逻辑主语要和句子的主语相一致,否则,就要用独立主格结构或相应的状语从句表达。
All considered,you can start the work.(All considered为独立主格结构,作条件状语)
如果一切都已考虑周全的话,你可以开始这项工作了。(二)表示推测的情态动词
一、表示推测的情态动词有:must,can/could,may/might,should/ought to,will/would等。
1.must 表示肯定的推测,意为“一定,肯定”,只能用于肯定句。
You must be hungry after a long walk.
长途步行之后你一定饿了。
2.can表示推测“可能性”时,往往用于否定句或疑问句。can’t表示否定的推测,意为“一定不会,不可能”。could可以用来表示对现在情况的“推测”,只是可能性稍小一些而已,并不表示过去时间。
You can’t be hungry,you have just had your dinner.
你现在不可能觉得饿,你刚吃过饭。
Where can Wei Fang be?
魏芳会在哪里呢?
注意:can 有时也在肯定句中表示“推断”,说明逻辑上的可能性,而与事实无关。
Just like all other currencies in the world,the pound can be devalued if necessary.
和世界上的其他货币一样,如果有必要,英镑也可能贬值。
3.may/might表示把握不大的推测,表示的可能性不大,意为“也许,可能”。用于肯定句与否定句,不能用于疑问句中。might不表示过去时态,只是语气上比may更委婉,表示的可能性更小。
He may/might be American.
他可能是个美国人。
He may/might not be at home.他也许不在家.
4.should表示推测时,意为“按道理说应该会”、“想必会”、“一定会”。
Hi,Mum!I’m on the bus,I should be
home in about ten minutes.
你好,妈妈,我已经在公共汽车上了,十来分钟后就可以到家。
5.ought to表示推测时,表示对现在或将来
某种可能性的推测。这种推测是可信的,语气较肯定,通常指的是一种合乎逻辑的可能性(与should表推断时相似),有时可译为“准是”(但语气比must要弱)。
Henry ought to be here soon.He left home at six.
亨利应当很快就到,他六点就从家里出来了.
6.will表推测,只能用于肯定句,意为“可能,大概是”。will用于谈论现在,would可用于谈论过去,也可用于谈论现在(语气较委婉)。
This will be the house you’re looking for.
这大概就是你在找的那所房子了。
I think he would accept the invitation.
我想他会接受邀请的。
二、情态动词+have done
(a)表示“与过去事实相反”,但不必带有if的从句的用法如下:
(b)表示“对过去事实的推断”:
【特别提醒】 must/may/can’t do 与
must/may/can’t be doing是对现在、将来或正在发生的事情的推测。Ⅰ.完成句子
1.The library ____________(关门了)and you shouldn’t come here.
2.We must adapt our thinking to the
_____________________(改变了的情况).
3.The boy looked up with a
_____________________(满意的表情).
is closedchanged conditionspleased expression4.He found his hometown________________
(变化很大),and tears came into his eyes.
5.You _________________(一定在工作)in
the room yesterday evening,because the
light was on then.greatly changedmust have workedⅡ.用所给动词的适当形式填空
1.John told the story about the ___________
(astonish)people in Broad Street.
2.Some of the people ____________(invite)to the party couldn’t come.
3.Nick was ______________(frighten)and his mind was confused.astonishedinvitedfrightened4.They are very pleased to see the problem
____________(solve)so quickly.
5.My sister met him at the Grand Theatre yesterday afternoon,so he
__________________________________(not attend)your lecture.solvedcouldn’t have attendedⅢ.用过去分词改写下列句子
1.The palace,which was destroyed in the 19th,hasn’t been rebuilt.
___________________________________________________________________________
2.English is the language which is widely spoken.
______________________________________
The palace,destroyed in the 19th,hasn’t been rebuilt.English is the language widely spoken.3.If we are compared with the developed countries,we still have a long way to go.
___________________________________________________________________________
4.If we are united,we stand;if we are divided,we fall.
______________________________________Compared with the developed countries,we still have a long way to go.United,we stand;divided,we fall.5.The princess woke up.She found seven dwarfs were surrounding her.
____________________________________________________________________________
6.Since he was moved by the little girl,the old man decided to help her.
___________________________________________________________________________The princess woke up and found herself surrounded by seven dwarfs.Moved by the little girl,the old man decided to help her.7.After the house was cleaned completely,it looked like a new one.
____________________________________________________________________________
8.If the machine is used properly,it can last at least 10 years.
___________________________________________________________________________
Cleaned completely,the house looked like a new one.Used properly,the machine can last at least 10 years.9.Did you go to the party which was held to celebrate the New Year?
___________________________________________________________________________
10.The teacher entered the classroom and some students followed him.
____________________________________________________________________________Did you go to the party held to celebrate the New Year?The teacher entered the classroom followed by some students.Ⅳ.句型转换(将下列两个句子合并成一个句子)
1.The man was accused of stealing money.
He was brought to court.
____________________________________________________________________________
Accused of stealing money,the man was brought to court.2.Jane was scared of the lightning.
She refused to go out.
___________________________________________________________________________
3.What was the name of the man?
He was arrested by the police.
____________________________________________________________________________Scared of the lightning,Jane refused to go out.What was the name of the man arrested by the police?4.The boy was injured during the football match.
He was examined by a doctor.
___________________________________________________________________________
5.Mr Smith was determined to be on time.
He got the work completed.
____________________________________________________________________________Injured during the football match,the boy was examined by a doctor.Determined to be on time,Mr Smith got the work completedⅤ.语法填空
阅读下面短文,用适当的情态动词填空,使短文合理、连贯。
The realisation that I had an incurable disease,that was likely to kill me in a few years,was a bit of a shock.How 1.________ something like that happen to me? Why 2.________ I be cut off like this?
couldshouldHowever,while I had been in hospital,I had seen a boy I vaguely knew die of leukaemia,in the bed opposite me.It had not been a pretty sight.Clearly there were people who were worse off than me.At least my condition didn’t make me feel sick.
Before my condition had been diagnosed,I had been very bored with life.There had not seemed to be anything worth doing.But shortly after I came out of hospital,I dreamt that I was going to be executed.I suddenly realised that there were a lot of worthwhile things I 3.________ do if I were reprieved.Another dream,that I had several times;was that I 4.________ sacrifice my life to save others.couldwouldAfter all,if I 5.________ (be)going to die anyway,it 6.________ as well do some good.But I didn’t die.In fact,although there was a cloud hanging over my future,I found,to my surprise,that I was enjoying life in the present more than before.I began to make progress with my research,and I got engaged to a girl called Jane Wilde,
weremightwhom I had met just about the time my condition was diagnosed.That engagement changed my life.It gave me something to live for.
如何描写人物
基础写作
根据提示的内容对你校的年轻外教James进行人物描写。
【写作内容】
主要介绍其:年龄、外貌、性格、爱好、工作态度等。【写作要求】
只能用5个句子表达全部内容。
【评分标准】
句子结构准确,信息内容完整,篇章连贯。
________________________________________________________________________________________________________________________________________________________
审题谋篇
1.本文要求介绍外教James,要注意人物介绍类文章的写法。
2.使用一般现在时态。
写作要点
1.我们的口语老师吉姆来自于美国。
James,___________________________,is from America.
James,______________________,is from America.who is our oral teacherour oral teacher2.他浓浓的眉毛下面一双大眼睛,似乎总是向你微笑。
He has two big eyes under a pair of thick eyebrows,which seems
________________________________.
He has two big eyes under a pair of thick eyebrows,which seems
________________________________.
they are always smiling at youto be smiling at you3.他的课非常活泼有趣,以至于我们不那么容易就忘记。
______________________________________that they are not easily forgotten.
______________________________________that they are not easily forgotten.
So lovely and interesting are his lessonsHis lessons are so lovely and interesting佳作欣赏
①James,who is our oral teacher,is from America.②He is 180cm and his strongly-built body and sun-tanned skin make him look like a sportsman.③Besides,he has two big eyes under a pair of thick eyebrows,which seems they are always smiling at you.④So lovely and interesting are his lessons that they are not easily forgotten.
Our teacher is such a handsome and learned person that we will never forget him.
名师点津
【美文点津】
①③使用了who,which引导的定语从句丰富了文章的句式。
②使用了and连接并列句,避免了简单句的罗列。
④使用了倒装句,使得文章语言更加精彩。
【类文点津】
1.人物简介的写作步骤
(1)Birthday and birth place
(2)Family background
(3)Education
(4)Big events in his or her life (in order of time)
(5)Evaluation
2.高考中描写人常用表达方式
(1)介绍人物的姓名、出身
She was born in Poland on Nov.7,1867.
Abraham Lincoln,the son of a poor family,
was born in Kentucky on February 12,1809.
(2)描述人物外貌和性格特征的常用词语:
good-looking(长得好看的)
funny-looking(长相滑稽的)
white-haired(白头发的)
warm-hearted(热心肠的)
kind-hearted(好心的) absent-minded(心不在焉的)
naughty(淘气的) lovely(可爱的)
humorous(幽默的) funny(滑稽的)
silent(沉默的) attractive(有吸引力的)
(3)表达人物兴趣和爱好的常用词组或短语:
be interested in(对……感兴趣)
be fond of (喜欢……)
be tired of(对……厌倦)
be crazy about(对……极度喜欢)
(4)描述人物心情的常用词语:
sad(难过的) happy(高兴的)
excited(兴奋的) pleased(高兴的)
satisfied(满意的) angry(生气的)
worried(担心的) disappointed(失望的)
terrified(恐惧的) friendly(友好的)
anxious(焦虑的) curious(好奇的)
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