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英语必修一第四单元语法课件

发布时间:2021-03-04 17:56:30

Ⅰ 人教版高一英语必修一各个单元的语法知识点

一. 一般现在时
1. 表示主语现在所处的状态及其所具备的特征、性格、能力等
例如:I am a girl.
2. 表示习惯性、经常性的动作
例如:I usually go to bed at 9:00.
3. 标志性的词语
Always often sometimes now and then
4. 若助于为第三人称单数(he she it)则动词要用单三现
二. 现在进行时
1. 说话时正在进行的动作
例如:I am reading.
2.表示即将发生的动作,多用于go come start leave return arrive stay fly等词语之中,句子中常常有时间状语
例如:The plane is going to Beijing.
3.当句子中出现了always 、forever 、constantly 、continually 、
All the time等
例如:I am always thinking of you.
三. 倍数比较
1.A+系动词+倍数词+as+ adj \adv的原型+as+B
例如:The class is twice as big as that one.
2.A+系动词+倍数词+adj\adv的比较级+than+B
例如:The class is twice bigger than that class.
3.A+系动词+倍数词+the size\amount(数量)\ength\width\height
\depth\+of+B
例如:The class is twice the size of that class.
四. With的复合结构
1. With+宾语+宾语补足语
宾语补足语根据逻辑意义的不同可以是不同的词语,如形容词、现在分词、过去分词、副词、介词短语、不定式等,with在复合结构中常作状语
2.常用结构
○1with+宾语+doing
表主动与进行
例如:Tom was quite safe with Lucy standing behind him.
○2with+宾语+done
表被动与完成
例如:With all things she need bought,she went home.
○3with+宾语+to do
表将来
例如:With so many thing to deal with.
五. 现在完成进行时
现在完成进行时
1.基本表达式(I have been doing )
I/ we/ you/ they have been doing sth.
he/ she/ it has been doing sth.
2.表示从过去某时开始一直持续到现在的动作,并且还将持续下去。
The Chinese have been making paper for two thousand years.
中国有2000年的造纸历史。(动作还将继续下去)
I have been learning English since three years ago.
自从三年前以来我一直在学英语。(动作还将继续下去)
3.表示在说话时刻之前到现在正在进行的动作。
We have been waiting for you for half an hour.
我们已经等你半个钟头了(人还没到,如同在电话里说的,还会继续等)
4.有些现在完成进行时的句子等同的句子。
例如:They have been living in this city for ten years.
They have lived in this city for ten years.
他们在这个城市已经住了10年了。
I have been working here for five years.
I have worked here for five years.
我在这里已经工作五年了。
5.大多数现在完成进行时的句子不等同于现在完成时的句子。
例如:I have been writing a book.(动作还将继续下去)
我一直在写一本书。
I have written a book.(动作已经完成)
我已经写了一本书。
They have been building a bridge.
他们一直在造一座桥。
They have built a bridge.
他们造了一座桥。
6.表示状态的动词不能用于现在完成进行时。
例如:I have known him for years.
我认识他已经好几年了。
I have been knowing...
这类不能用于现在完成进行时的动词还有:love爱,like喜欢, hate讨厌,等。
注意:比较过去时与现在完成时
1.过去时表示过去某时发生的动作或单纯叙述过去的事情,强调动作;现在完成时为过去发生的,强调过去的事情对现在的影响,强调的是影响。
2.过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语。
一般过去时的时间状语:
yesterday, last week,…ago, in1980, in October, just now, 具体的时间状语
共同的时间状语:
this morning, tonight,this April, now, once,before, already, recently,lately
现在完成时的时间状语
for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always,
不确定的时间状语
3.现在完成时可表示持续到现在的动作或状态,动词一般是延续性的,如live, teach, learn, work, study, know.
过去时常用的非持续性动词有come, go, leave, start, die, finish, become, get married等。
例如: I saw this film yesterday.
(强调看的动作发生过了。)
I have seen this film.
(强调对现在的影响,电影的内容已经知道了。)
Why did you get up so early?
(强调起床的动作已发生过了。)
Who hasn't handed in his paper?
(强调有卷子,可能为不公平竞争。)
She has returned from Paris.
她已从巴黎回来了。
She returned yesterday.
她是昨天回来了。
He has been in the League for three years.
(在团内的状态可延续)
He has been a League member for three years.
(是团员的状态可持续)
He joined the League three years ago.
( 三年前入团,joined为短暂行为。)
I have finished my homework now.
---Will somebody go and get Dr. White?
---He's already been sent for.
句子中如有过去时的时间副词(如 yesterday, last, week, in 1960)时,不能使用现在完成时,要用过去时。
(错)Tom has written a letter to his parents last night. (对)Tom wrote a letter to his parents last night.
六.过去完成时
1. 概念:表示过去的过去
其构成是had +过去分词构成。
那时以前 那时 现在
2. 用法
a. 在told, said, knew, heard, thought等动词后的宾语从句。
She said (that) she had never been to Paris.
b. 状语从句
在过去不同时间发生的两个动作中,发生在先,用过去完成时;发生在后,用一般过去时。
When the police arrived, the thieves had run away.
c. 表示意向的动词,如hope, wish, expect, think, intend, mean, suppose等,用过去完成时表示"原本…,未能…"
We had hoped that you would come, but you didn't.
3.过去完成时的时间状语before, by, until , when, after, once, as soon as。
例如:He said that he had learned some English before.
By the time he was twelve, Edison had began to make a living by himself.
Tom was disappointed that most of the guests had left when he arrived at the party.
七.现在完成进行时
1.其构成形式如下:
I / we / they have been + 动词的现在分词
He / she / it has been + 动词的现在分词 功用如下:
2. 表示一个在过去开始而在最近刚刚结束的行动,如:
Ann is very tired. She has been working hard.
Why are you clothes so dirty? What have you been doing?
3.表示一个从过去开始但仍在进行的行动,如:
It has been raining for two hours. (现在还在下)
Jack hasn’t been feeling very well recently.
4. 表示一个从过去开始延续到现在,可以包括现在在内的一个阶段内,重复发生的行动,如:
She has been playing tennis since she was eight.
5. 现在完成时强调动作行为的结果、影响,而现在完成进行时只强调动作行为本身,如:
Tom’s hands are very dirty. He has been repairing the car.
The car is going again now. Tom has repaired it.
注意:
现在完成时有否定结构、而现在完成进行时没有否定结构。 现在完成时态可表示做完的时期以及已有的经验、但现在完成进行时不可以 现在完成进行时的否定结构 现在完成进行时有时也可用否定结构。
如: Since that unfortunate accident last week, I haven’t been sleeping at all well. 自从上周发生了那次不幸事故之后,我一直睡得很不好.
He hasn’t been working for me and I haven’t has that much contact with him. 他并没有给我工作过,我和他没有过那许多接触。
6.否定句构成:
主语+has/have+not+been+现在分词
7.一般疑问句构成:
Have/has+主语+been+现在分词+其他

Ⅱ 高中英语必修一第4单元reading中10个定语从句

1.But the one million people of the city,who thought little of these events,were asleep as usual the night.
2.It was felt in Beijing,which is more than two hundred kilometers away.
3.A huge crack that was eight kilometers long and thirty meters wide cut across houses,roads and canals.
4.Then,later that afternoon,another big quake which was almost as strong as the first one shook Tangshan.
5.The army organized teams to dig out those who were trapped and to bury the dead.
6.Workers built shelters for survivors whose homes had been destroyed.

Ⅲ 高中英语必修一第四单元的cultural corner 文章翻译

可以,不过你要稍等下,我打字慢,

Ⅳ 英语必修四第四单元语法题目(合成句子)

1、Holding the front door open and bowing deeply, the man was smiling.
2、Racing past, the car almost hit us as it turned the corner.
3、I looked up to see a long line of flying birds.
4、Your mother just called, hopping to talk to you.

Ⅳ 高一英语必修一第4单元的语法问题

earthquake
是主语,
had
begun是谓语
前面那些都是来形容earthquake的
整句是完成时

Ⅵ earthquake高一英语必修一unit4全文内容

things were happening in the countryside in northeast Hebei Province. For three days the water in the village wells rose and fell, rose and fell. Farmers' wives noticed
that the well walls had deep cracks in them. A smelly gas came out of the
cracks. In the farmyards, the chickens and even the pigs were too nervous to
eat. Mice ran out of the fields looking for places to hide. Fish jumped out of
bowls and ponds. At about 3:011 am on July 28. 1976, people saw bright lights
in the sky. The sound of planes could be heard outside Tangshan even when no
planes were in the sky. In the city, the water pipes in some buildings cracked
and burst. But the one million people of the city, who thought little of these
events, went to bed as usual that night.
At 3:42 am everything began to shake. It seemed that the world was at an end! Eleven kilometers
directly below the city the greatest earthquake of the 20th century began. It
was heard in Beijing, which is one hundred kilometers away. One-third of the
nation felt it. A huge crack that was eight kilometers long and thirty meters
wide cut across houses, roads and canals. Steam burst from holes in the ground.
Hard hills of rock became rivers of dirt. In fifteen terrible seconds a large
city lay in ruins. Two-thirds of the people died or were injured ring the
earthquake. Thousands of families were killed and many children were left
without parents. The number of people who were killed or injured reached more
than 400.000.
But how could the
survivors believe it was natural? Everywhere they looked nearly everything was
destroyed. All of the city's hospitals, 75% of its factories and buildings and
90% of its homes were gone. Bricks covered the ground like red autumn leaves.
No wind, however, could blow them away. Two dams fell and most of the bridges
also fell or were not safe for traveling. The railway tracks were now useless
pieces of steel. Tens of thousands of cows would never give milk again. Half a
million pigs and millions of chickens had died. Sand now filled the wells
instead of water. People were shocked. Then, later that afternoon, another big
quake shook Tangshan. Some of the rescue workers and doctors were trapped under
the ruins. More buildings fell down. Water, food, and electricity were hard to
get. People began to wonder how long the disaster would last.
All hope was not
lost. The army sent 150.000 soldiers to Tangshan to help the rescue workers.
Hundreds of thousands of people were helped. The army organized teams to dig
out those who were trapped and to bury the dead. To the north of the city, most
of the 10.000 miners were rescued from the coalmines. Workers built shelters
for survivors whose homes had been destroyed. Fresh water was taken to the cityby train, truck and plane. Slowly, the city began to breathe again.

Ⅶ 高一必修二英语第四、五单元语法课件

什么版本的

Ⅷ 英语必修一四,五单元的语法

定语从句。第四单元学习的是that,which,who,whose等关系代词的用法。第五单元学习的是内where,when,why关系副容词和介词 + which/whom的用法。定语从句在初中已学习了关系代词that,which,who。学习时应注意关系代词和关系副词在用法上的区别。

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