(共43张PPT)
中考英语二轮语法专题复习
状语从句
连词的定义
连词的分类
连词 Conjunction
用来连接词、短语或句子的词。注意:它是虚词,在句中不能单独使用。
并列连词——连接具有并列关系的词、短语或句子。
从属连词—— 引导从句。
连 词 Conjunction
并列连词
从属连词——引导从句
连词词组: either…or, neither…nor,
not only…but also, both…and, (as well as)
连词:and, but, or, so,
that,whether, if, unless, while / when, until, because, so that, so…that, though/ although, even if, as…as 等
并列连词的分类
并列连词:连接具有并列关系的词,短语或句子。
(1)表并列关系:
and ,both … and…, neither… nor, not only… but also, as well as
(2)表选择关系:
or ,otherwise(否则), either…or等。
(3)表转折关系:but, yet, while等。
(4)表因果关系:for, so, therefore,thus(因此)等。
并列连词:主谓一致三原则
意义一致
就近一致
就远一致
both … and…
neither… nor
not only… but also
either…or
as well as
with
together with
along with
并列连词:意义一致
由both…and…连接两个单数名词作主语时,谓语动词用复数形式
Both Mary and Tom ________ (be)fond of dancing.
are
并列连词:就远一致
指谓语动词用单数形式还是用复数形式,取决于离他远的主语。
Mike with his father ____ (have) been to England.
has
The students as well as the teacher ______ (be) present at the meeting.
were
并列连词:就近一致
指谓语动词用单数形式还是用复数形式,取决于最靠近他的主语。
Not only the teacher but also his students _______ (like) playing football.
like
Either my wife or I _____ (be) going.
am
Neither you nor he _______ (know) the answer.
knows
but
although/though
其他并列连词
but: 不能与although, though同时出现在同一个句中。
I am not good at playing basketball, but I like watching it.
用although/though 改写以上句子
Although I am not good at playing basketball, I like watching it.
but
however
其他并列连词
e.g. (他努力工作,但以失败告终。)
He worked hard, ______ he failed at last.
He worked hard. _________, he failed at last.
but
However
区别: but 后没有逗号,直接连接分句; however 后有逗号相隔,可放句末。
or
and
其他并列连词
表示“条件”,句型结构:“祈使句+or/and+简单句”
Put on your coat,or you will catch a cold.
Be careful, and you will make fewer mistakes.
改写成if引导的条件状语从句
===========--= If you don’t put on your coat, you will catch a cold.
because
although
连词不可连用
M主从复合句,只有从句前面有连词,因此只选其中之一。
————————————————_——————————————————————————_________it was raining heavily, ______we had to stay at home at that moment.
——————————————————————————_________ Cathy is under the weather, ——————————————————————————______ she isn’t absent for today’s meeting.
so
but
Because
so
Although
but
即学即练
1.Li Meng passed his mother his cup _______ asked for some more tea.
A. but B. or C. and D. if
2. Study harder, ______ you will fall behind others.
A. and B. or C. but D. so
即学即练
3.The doctors are very tired, _______ they are still working very hard.
A. but B. if C. only D. when
4.._______ Sunday ______Monday is OK. I’ll be free during those two days.
Neither…nor B. Either…or
C. Both…and D. Either… and
即学即练
5. In the old days the poor children couldn’t go to school. They could ______read ___ write when they grew up.
both…and B. either…or
C. not only…but also D. neither…nor
6._____ Australia is very large, the population is quite small.
A. But B. Or C. If D. Though
即学即练
7.Come here early tomorrow, ______you’ll see her.
A. or B. and C. but D. because
8.Neither she ________ I am a teacher. We are both students.
A. or B. and C. nor D. but
从属连词的分类
用来引导连接主句和从句的连词。
分为引导名词性从句的连词和引导状语从句的连词。
在复合句中由从句表示的状语称作状语从句,它可以用来修饰谓语(包括非谓语动词)、定语或状语,或是整个句子。
时间状语从句 结果状语从句
原因状语从句 条件状语从句
地点状语从句 让步状语从句
目的状语从句 比较状语从句
方式状语从句
时间状语从句
when
whenever
as
while
before
after
until (till)
since
as soon as
when
意为“当…的时候”。When引导从句的谓语动词可以是延续性动词,也可以是瞬间动词。
A liar is not believed when he speaks the truth.
When I got home, my family were already having dinner.
They were watching the World Cup when suddenly the lights went out.
When he gets home, he will sent a message to me.
when
whenever
as
while
before
after
until (till)
since
as soon as
while
意为“在…的时候,在…的同时”。
While引导从句的谓语动词必须是延续性的,发生时间较长,并强调主句和从句的动作同时发生(或者相对应)。
She fell asleep while she was reading the newspaper.
I was watching TV while my little sister was doing her homework.
时间状语从句
when
whenever
as
while
before
after
until (till)
since
as soon as
as
意为“一边…一边…”。As引导的动作是延续性的,发生时间较短,主句和从句动作同时发生;As也可以强调一前一后,意为“当…时候,随着”。
He smiled as he stood up.
He looked behind from time to time as he went.
As time goes on, he became more and more interested in English.
时间状语从句
when
whenever
as
while
before
after
until (till)
since
as soon as
as soon as
意为“一…就…”。引导时间状语从句时,如果主句用了将来时,从句一般使用现在时。(主将从现)
Tom will call me as soon as he gets home.
I will call you as soon as I arrive.
时间状语从句
when
whenever
as
while
before
after
until (till)
since
as soon as
until (till)
两者一般情况下可互换。
如果主句中的谓语动词是瞬时动词时,必须用否定形式;如果主句中的谓语动词是延续性动词时,用肯定和否定形式都可以。
He didn’t go to sleep until his mother came back.
He was bored at home until her friend Tom rang.
时间状语从句
即学即练
He ___ back until the work ___ done.
A. isn't; will be B. isn't; is
C. won't be; will be D. won't be; is
Tom will call me as soon as he ___ Shanghai.
A. arrives B. will reach C. arrives in D. get to
即学即练
3.We ___ TV when the telephone ____.
A. watched; was ringing B. were watching; rang
C. watch; rings D. are watching; rang
4.他长大后想当一名记者。
He wants to be a journalist ______ _______ _______ _____.
when he grows up
条件状语从句
If 如果
Unless 除非
As long as
只要
时态四原则
主将从现: If he runs, he will get there in time.
(2)主情从现: If it stops raining, we can go out.
(3)主祈从现: Put up your hands if you have any questions.
(4)主现从现:If you heat ice, it melts.
如果把冰加热,它会融化
if作“假如,如果”是引导条件状语从句,作“是否”是引导宾语从句。
即学即练
In the zoo if a child _____ into the water and can’t swim, the dolphins may come up ______ him.
A. will fall; to help B. falls; to help
C. will fall; help D. falls; helping
只要我们竭尽全力,父母就会满意我们的表现。
Our parents will be pleased with our performance _____ _____ ____ we try our best.
long as
as
原因状语从句
Because
Since
As
For
语气强弱:4个引导词的语气由强至弱依次为
because→since→as→for
Because:语气最强,指的原因通常是听话人所不知道的,可用于回答 why 提出的问题
—Why is she absent 她为什么缺席?
—Because she is sick. 因为她病了。
原因状语从句
Because
Since
As
For
Since:表示显然的或已为人知的理由“既然” 语气较because弱,通常句首,有时可表示含有勉强语气的原因。
Since you can't answer the question, I'll ask someone else.
原因状语从句
Because
Since
As
For
As(由于,鉴于):表示的原因是双方已知的事实或显而易见的原因,或者理由不是很重要,含义与since相同,但语气更弱,不如since正式。
As it was late,we came back soon.
原因状语从句
Because
Since
As
For
for不表示直接原因,表明附加或推断的理由
有时不表示因果关系,而是对前面分句内容的解释或推断
It must have rained last night, for the ground is wet this morning. (此句不能用 because 代 for)
即学即练
Betty didn't go to see the film yesterday ___ she was ill.
A. because B. but C. until D. if
May I sit nearer ___ I can see more clearly
A. as if B. that C. even if D. so that
目的状语从句
so that
in order that
为了,以便于
目的状语的谓语常含有may, might, can, could, should, would等情态动词。
Try to speak loud enough so that people can hear you clearly.
We shall let you know the details soon in order that you can make a arrangements.
即学即练
The teacher raised his voice _______ all the students could hear him.
A. for B. so that C. because D. in order
结果状语从句
so…that
such…that
如此…以至于
1. so 修饰形容词或副词
句型:so + adj./adv. + that 从句。
so+adj.+a/an+单数名词+that 从句。
so还可与表示数量的形容词many, few, much, little(这四个形容词表示多或少时)连用,形成固定搭配。
so+ many 或few+复数可数名词+that
so+ much或little+不可数名词+that
2. such修饰名词/名词词组
句型:such + a/an + adj.+单数名词
such + adj.+复数名词/不可数名词
即学即练
杰西对学生非常亲切,以至于学生把她当做母亲。
Jess is _______ kind to her students ______ they treat her like their mother.
He has___ an interesting book that we want to read it.
A. so B. such C. the same D. as
so
that
让步状语从句
Though/although
Even though/if
No matter +疑问词
1. Though/Although 尽管,虽然…
2. Even though/if 虽然/即使…也
3. No matter +疑问词 无论…都
Although he is busy, he never misses a football match.
No matter where life takes us to, just stick to our dreams.
Even though he lost his parents in his early age, he didn’t lose hope for life.
Wherever life takes us to, just stick to our dreams.
即学即练
______ you decide to take up, you should try to make it a success.
A. If B. Whenever C. Unless D. Whatever
______ he lives in a big house and owns lots of money, he doesn’t feel happy.
A. Though B. If C. Where D. Because
综合训练
综合训练
1._________ we didn't win the basketball game, we were satisfied with our hard work.
A. If B. Though C. Since D. Because
2.Love your parents __________ they are alive. Don't wait until it is too late.
A. while B. though C. because D. unless
3.The North Sea Park is __________ beautiful whenever you come to it with your family members or close friends that it has become a hot tourist attraction.
A. so B. very C. such D. quite
B
A
A
综合训练
4.Tom watched the World Cup ____ 11:30 last night.
A. when B. unless C. until D. as soon as
5.A recent survey shows that 44 percent of Americans want to use self-driving cars, _________34 percent believe that they will make the roads mote dangerous.
A. although B. because C. if D.however
6.—The students of Grade 9 have to take part in the P.E. test.
—Yes, _____you want to pass it and be stronger, practice more.
A. unless B. until C. if D.as
C
A
C
综合训练
7.The sports meeting won’t be put off(推迟) _____ it rains.
A. until B. if C. unless D. whether
8.Cathy is afraid of the dog. She will run away _______she sees it.
A. ever since B. although C. as soon as D. so that
9. I still keep taking exercise every day _______ I am busy with so many subjects.
A. until B. unless C. because D. though
C
C
D
中考链接
(2022·广州中考)We need to save some of the old water, Bob needs a place to stay while we clean the tank
A.so B.or C.because D.but
(2021·广州中考)but the corn was dying ______ there had been no rain for a long time.
A.because B.where C.when D.if
(2023·白云区一模)________ Amy and Mark showed Grandma her new terrarium, she was so pleased.
A.Until B.After C.Before D.When
C
D
A
中考链接
(2022·白云区一模) __________ I become old, I would like to look back with a great sense of satisfaction that thousands of people have become better persons through my work.
A.When B.Since C.Before D.Because
(2023·从化区一模) He watched her she went far away.
A. when B. until C. if D. unless
(2023·番禺区一模)But he failed to find the bone he only complained and didn't try at all.
A. before B. until C. because D. unless
A
B
C