2023届高考英语语法复习：状语从句课件(共40张PPT)

(共40张PPT)
状语语从句的连接词与时态
状语从句概念
连接词的用法
重点句型
01 状语从句概念
状语从句：是指句子用作状语时，起副词作用的句子。状语从句可以修饰谓语、非谓语动词、定语、状语或整个句子。
状语从句：根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。
例
01 状语从句概念
例
例
The old man asked Lucy to move to another chair because he wanted to sit next to his wife.
Peter was so excited when he received an invitation from his friend to visit Chongqing.
例
Where he once felt like giving up, he now has the determination to push further and keep on going.
Although birds use their feathers for flight, some of their feathers are for other purposes.
练习
01 状语从句概念
1
I used to love that film when I was a child, but I don’t feel it that way any more.
2
If you happen to get lost in the wild, you’d better stay where you are and wait for help.
3
Jenny was very sad over the loss of the photos she had shot at Canada, as this was a memory she especially treasured.
4
My grandfather still plays tennis now and then, even though he's in his nineties.
02 连接词的用法
2.1 时间状语从句 when
主句为过去完成时，从句一般过去时用when引导”，表“…刚….就…”
eg. She had just finished her homework when her mother asked her to practice playing the piano yesterday.
即学即练
I just __________________(step out) of the bathroom towel when I heard the steps.
had stepped out
2.1 时间状语从句 when
主句为进行时，从句用when引导，表“…正…突然…”
eg. One Friday, we were packing to leave for a weekend away when my daughter heard cries for help.
即学即练
I was just ___________(go out) when there was a knock at the door.
going out
2.1 时间状语从句 when
be about to…when…表“正要…突然…”
eg. The teacher was about to hand out the papers when he was coming into the classroom.
2.1 时间状语从句 while,as
while 常接持续性的动词，强调从句谓语动作
eg. Mary made coffee while her guests were eating their meal.
eg. While some people are motivated by a need for success, others are motivated by a fear of failure.
as 强调主从句的动作在同一时间进行
eg. He smiled politely as Mary apologized for her drunken friends.
while有对比意义，意为“然而”
2.1 时间状语从句 while,as
In some places women are expected to earn money ______men work at home and raise their children.
A. but
B. while
C. because
D. though
B
2.1 时间状语从句until, not...until
主句动词是延续性动词，主从句均为肯定式，意为“某动作一直持续到时间某点才停止”
eg. If you don’t understand something, you may research, study, and talk to other people until you figure it out.
主句动词是非延续性动词，从句为肯定式，意为“某动作一直到时间某点才开始”
eg.You can’t have this football back until you promise not to kick it at my cat again.” the old man said firmly.
练习：If a lot of people say a film is not good, I won’t bother to see it, or I’ll wait ____ it comes out on DVD.
A. whether B. after C. though D. until
D
2.1 时间状语从句 一...就...
“一...就....“连接词
as soon as, no sooner…than…, hardly…when…
the moment/minute/second,
immediately, instantly
连接词搭配
eg. Just use this room for the time being, and we’ll offer you a larger one as soon as it becomes available.
eg. I had hardly got to the office when my wife phoned me to go back home at once.
练习. He had no sooner finished his speech ______ the students started cheering.
A. since B. as C. when D. than
D
2.1 时间状语从句 since
since: 自从...
eg. I have heard a lot of good things about you since I came back from abroad.
It has been/is + some time + since...
eg. As it reported, it is 100 years since Qinghua University was founded.
eg. It has been almost five years since I taught high school students.
eg. It has been almost five years since I have taught senior three students.
2.1 时间状语从句 since
since: 自从...
eg. I have heard a lot of good things about you since I came back from abroad.
It has been/is + some time + since...
eg. As it reported, it is 100 years since Qinghua University was founded.
2.1 时间状语从句 before
before 在...之前
It will be+时间段+before+一般现在时
eg. I’m sorry you’ve been waiting so long, but it’ll still be some time before Brian gets back.
eg. There is only one more day to go before your favorite music group play live.
It was+时间段+before+一般过去时
eg. It was some time before we realized the truth.
要点回顾
【考点4】since与before的用法
词：自从...，表示从某个时间开始，动作或者状态持续到现在
since：
before：
句型：It has been/is + some time + since + 从句（一般现在时）
词的时态：主句常用现在完成时，从句常用一般过去时
词：在...之前，表示主句的动作发生在从句的动作之前
句型：It will be some time before + 从句（一般现在时）
It was some time before + 从句（一般过去时）
词的时态：主将从现
1
The girl had hardly rung the bell _____ the door was opened suddenly, and her friend rushed out to greet her.
A. when B. until C. as D. since
2
That was really a splendid evening. It’s years ______ I enjoyed myself so much.
A.when B. that C. before D. since
3
练习
2.1 时间状语从句
A
D
It is difficult for us to learn a lesson in life _____ we’ve actually had that lesson.
A.until B. after C. since D. when
A
1
It will be some time before the average mind ________________ (understand) fully the identity of time and space.
2
3
While ____________ (wait) for the opportunity to get promoted, Henry did his best to perform his duty.
waiting
understands
when
2.1 时间状语从句
练 习
He was about to tell me the secret _______ someone patted him on the shoulder.
4
He ________________(learn) English since he was six.
has learned
2.2 地点状语从句where或wherever
eg. Located where the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction.
eg. Where he once felt like giving up, he now has the determination to push further and keep on going.
告诉你动作在哪里发生（可以是抽象意义）
wherever 在任何地方
抽象
eg.Wherever you go, whatever you do, I will be right here waiting for you.
1
2
Today, we will begin _______we stopped yesterday so that no point will be left out.
A. when B. where C. how D. what
3
__________ unemployment and crime are high, it can be assumed that the latter is due to the former.
Where
D
B
练习
2.2 地点状语从句
Half an hour later, Lucy still couldn’t get a taxi ______ the bus had dropped her.
A. until B. when C. although D. where
2.3 原因状语从because, as, for
because:表 直接 原因，因为什么原因，导致什么结果，回答why的提问;
eg. I really enjoy listening to music because it helps me relax and takes my mind away from other cares of the day.
注：在英文表达中，because和so不能一起用
as的原因是你知我知;
eg. Enjoy the first hour of the day. This is important as it sets the mood for the rest of the day.
for 因为，表示原因或者表示作为对前面内容解释说明的依据;
eg. I am not afraid of tomorrow, for I have seen yesterday and I love today.
2.3 原因状语从句
considering, in that, since, now that, given that
considering, to consider 考虑到
eg.—Coach, can I continue with the training
—Sorry, you can’t to consider you haven’t recovered from the knee injury.
in that因为，在...方面
eg. Animals suffered at the hands of Man in that they were destroyed by people to make way for agricultural land to provide food for more people.
since既然，now that 既然，given that 考虑到
eg. Mark needs to learn Chinese since his company is opening a branch in Beijing.
要点回顾
【考点5】because, as, since的用法
because > since > as
语气：
用 since “既然” 或 as “由于”
已知原因：
用 because，可回答 why 的提问
对方未知原因:
注：because 和 so都不能用在同一个句子中, although 和 but也不能用在同一个句子中。
1
2
Jenny was very sad over the loss of the photos she had shot at Canada, ____this was a memory she especially treasured.
A. as B. if C. when D. where
3
A man cannot smile like a child, __ _a child smiles with his eyes, while a man smiles with his lips alone.
A. so B. but C. and D. for
D
A
练习
2.3 原因状语从句
The old man asked Lucy to move to another chair ______ he wanted to sit next to his wife.
A．although B．unless C．because D．if
C
2.4 让步状语从句though, although
—Although he is rich, but he is not happy.
—Although he is rich, yet he is not happy.
—Although we have grown up, our parents still treat us as children.
注：都是”虽然“的意思，但都不能和but连用，可以同yet/still连用。
eg. Although birds use their feathers for flight, some of their feathers are for other purposes.
例 句
though, although 尽管，位置可置于句首和句中
eg. Though scientists have learned a lot about the universe, there is much we still don't know.
注：1)although比though更正式，2）引导从句多置于句首，3）一般可互换。
2.4 让步状语从句 even if, even though
eg. He was so busy. He cannot afford enough time with his son even if he wants to.
eg. Even though the forest park is far away, a lot of tourists visit it every year.
even if和even though： 即使，强调假设的事实
注：1）两者语气比though/although更强, 2）even if和even though可以互换。
2.4 让步状语从句 as
名词提前
副词/形容词提前
什么时候倒装，如何倒装？
as引导的让步状语从句
注：1）提前的名词前不带冠词，2）不将系动词、助动词和情态动词提前
动词提前
将从句中
eg. Tired as he is, he offers to help me.
eg. King as he was, he was unhappy.
eg. Much as I admire his courage, I don’t think he acted wisely.
eg. Dislike him as we may, we must acknowledge his greatness.
2.4 让步状语从句 as
练 习
_____, I have never seen anyone who’s as capable as John.
A. As long as I have traveled
B. Now that I have traveled so much
C. Much as I have traveled
D. As I have traveled so much
②_____, Carolina couldn’t get the door open.
A. Try as she might B. As she might try
C. She might as try D. Might she as try
C
A
2.4 让步状语从句
wh-ever, no matter+疑问词
wh-ever引导让步状语从句，表示“不管…都”, 可与no matter+疑问词互换
eg. Whenever/no matter when I have to give a speech, I get extremely nervous before I start.
however与no matter how，后面+形容词/副词
eg. Whoever comes will be welcome.
注：no matter+疑问词 结构只能引导让步状语从句。
eg. However hungry I am, I never seem to be able to finish off this loaf of bread.
eg. One can always manage to do more things, no matter how full one’s schedule is in life.
2.4 让步状语从句 whether...or..., while
eg.While the students came from different countries, they got along quite well in the summer camp.
eg.While I always felt I would pass the exam, I never thought I would get an A.
eg. —Dad, I've finished my assignment.
—Good, and whether you play or watch TV, you mustn't disturb me.
whether...or...表示“不论是否，不管是...还是...”
while至于句首可以引导让步状语从句，相当于though/even though
练习
1
No matter how _______ , it is not necessarily lifeless.
A. a desert may be dry B. dry a desert may be
C. may a desert be dry D. dry may a desert be
2
3
2.4 让步状语从句
Frank insisted that he was not asleep _____ I had great difficulty in waking him up.
A. whether B. although C. for D. so
_____the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
A. If B. While C. Because D. As
B
B
B
1
__________ he thought he could escape attention by sitting at the back, he was wrong.
2
3
_______________amazing the story is, I have to put it away and focus my attention on study this week.
However
Though
Surprised
2.4 让步状语从句
练习
练 习
_____________(surprise) as she is, she stopped to ask if I was OK instead of moving on.
4
The engineers are so busy that they have zero time for outdoor sports activities, ___________they have the interest.
even if
重点句型
省略句
在when, while, as, once, whenever引导的时间状语从句
在though, although, even if, even though引导的让步状语从句
在if, unless引导的条件状语从句
什么时候省略，怎么省略？
在wherever引导的地点状语从句
在as though/if, as引导的方式状语从句
若从句的主语是it，或者与主句的主语相同，且谓语中含有be
常省略从句的主语和be
省略句
例 句
eg. Once (he was) a cosmectics sales teller, he now is a nationwide famous KOL (Key Opinion Leader).
eg. You will never gain success unless (you are) fully devoted to your work.
eg. My grandfather still plays tennis now and then, even though (he's) in his nineties.
eg. He shook his head as if (he was) to say: “Don't trust her.”
eg. These young man volunteered to go wherever needed.
练习
1
When __________(complete), the museum will open to the public next year.
2
3
The flowers his friend gave him will die unless _________ (water) every day.
The boss, not the workers should be responsible for the accident. They just carried out the order as _____ (tell).
completed
watered
told
省略句
4
When I was your age, my father told me that I should go and work wherever ________ (need) most.
needed
练习
1
_______________________(在北京的时候）, I paid a visit to the Summer Palace.
2
3
省略句
4
5
When/while in Beijing
_______________________(当是个年轻人的时候）, Abraham Lincoln was a storekeeper and a postmaster.
He has no money. ________(要是有的话）, he will give us.
_________________(除非修理), the machine is of no use.
____________________________(要是给更多的关注）, the boy could have turned out better
When/As a young man
If any
Unless repaired
If given more attention to
名词提前
副词/形容词提前
什么时候倒装，如何倒装？
as引导的让步状语从句
注：1）提前的名词前不带冠词，2）不将系动词、助动词和情态动词提前
动词提前
将从句中
倒装句
练习
1
指出as引导让步状从的各种类型：
( ) Child as he is, he knows a lot.
( ) Object as you may, I will go.
( ) Hard as she had worked, she failed the exam.
( ) Poor as he may be, he lives a happy life.
2
_____, he talks a lot about his favourite singers after class.【重庆卷】
A. Quiet a student as he may be
B. Quiet student as he may be
C. Be a quiet student as he may be
D. Quiet as he may be a student
名词提前
D
倒装句
动词提前
副词提前
形容词提前