连词
连词是短语、连接词、从句或句子的一种虚词,不能单独作句子成分。
按词义和句法作用分类,连词分为两类----并列连词和从属连词。
连词的用法:
并列连词的用法
表示引申和增补意义
and的用法
连接两个或两个以上单词、短语或句子,意为“和,同,与”,表示顺承关系
Eg: Lisa and I decided to walk to school.
It’s important for us to develop good eating and living habits.
表示增补和强调,意为“而且,并且”
Eg: He likes these books, and Tom likes them, too.
both... and...的用法
只能连接两个并列成分,意为“...和...”、“既...又”,并列成分做主语时,谓语动词用复数形式
Eg: Both she and Sarah are interested in talent shows.
Cindy can both sing and dance.
neither... nor...的用法
连接两个并列成分,意为“既不...又不...”,并列成分做主语时,谓语动词的形式遵循就近原则。
Eg: Neither you nor I am going to attend the meeting.
He has neither money nor time.
not only... but also...的用法
连接两个并列成分,意为“不仅...而且...”。并列成分做主语时,谓语动词的形式遵循就近原则。连接两个分句,not only位于句首时,句子要倒装。
Eg: Not only my sister but also my parents like the actor very much.
Not only did he say it, but also he did it.
as well as的用法
连接两个或两个以上并列成分,意为“同......一样;也”。并列成分做主语时,谓语动词的形式遵循就远原则。
Eg: The teacher as well as the students enjoys the school art festival.
She can speak Chinese and English as well as Japanese.
表示转折意义
but意为“但是”
Eg: We reached school on time but he was late.
while意为“然而”,表示对比
Eg: My father likes reading while my mother likes listening to music.
yet意为“然而,可是”,常连接两个并列分句
Eg: Life is fine and enjoyable, yet you should learn to enjoy your fine life.
表示选择关系
or连接两个并列成分,意为“或”,表示一种选择关系。并列成分做主语时,谓语动词谓语动词的形式遵循就近原则。
Eg: He or I am not responsible for the accident.
Do you want to take a shower, or have dinner first
either...or...连接两个并列成分,意为“要么...要么...”,表示一种选择关系。并列成分做主语时,谓语动词谓语动词的形式遵循就近原则。
Eg: Either she or I am right.
表示因果关系
for意为“因为”,语气比because弱,不能用于回答why的问句,不能置于句首。
Eg: You’d better put on your coat, for it’s rather cold outside.
从属连词的用法
引导状语从句
引导时间状语从句
引导时间状语从句的从属连词主要有when, while, as, as soon as, before, after, since, until/til等。
Eg: What were you doing when the rainstorm came
His father came back home while he was playing computer game.
I’ll call you as soon as I arrive Shanghai.
As she sang, the tears ran down her cheeks.
He brushed his teeth before he went to bed.
After Mary finished her homework, she helped her mother cook dinner.
I have learned English since I was five years old.
She didn’t go to the movies until the rain stopped.
引导地点状语从句
引导地点状语从句的从属连词主要有where, wherever等
Eg: Where there is a will, there is a way.
I want to visit wherever I like.
引导原因状语从句
引导原因状语从句的从属连词主要有because, since, as等
Eg: He missed the first bus because he got up late.
Since you say so, there must be something in this box.
As the table is covered by a cloth, I don’t know what’s on it.
引导结果状语从句
引导结果状语从句的从属连词主要有so that, so...that..., such...that...等
Eg: The problem is very difficult, so that he can’t solve it.
Pandas are so cute that many people like them.
She is such a kind person that she has a lot of friends.
引导条件状语从句
引导条件状语从句的从属连词主要有if, unless, as long as等
Eg: If you come to the party, you’ll be happy.
You can’t make progress unless you realize your weakness.
As long as you stick to your dream, it will come true one day.
引导让步状语从句
引导让步状语从句的从属连词主要有though, although, even if, even though等,though, although不能与but 连用。
Eg: Although/though she failed, she didn’t give up.
Even if/though he was disabled, everyone respected him.
引导目的状语从句
引导目的状语从句的从属连词主要有so that, in order that等
Eg: The girls practice dancing every day so that/in order that they can present a perfect performance.
引导方式状语从句
引导方式状语从句的从属连词主要有as if, as though, as
Eg: He looked at me as if/as though I had been mad.
You should do as I say.
引导比较状语从句
引导比较状语从句的从属连词主要有as, than
Eg: The building is as tall as that one.
The speed of the sound is not so/as fast as that of the light.
I’m more outgoing than my sister.
引导名词性从句
引导名词性从句的从属连词主要有that, if,whether等,在句中不作任何成分
Eg: There is no doubt that he is the winner.
They wondered whether they would reach their goals.
练习:
1.Hurry up,______we'll not catch the bus.
A. and B. but C. or D.so
2. You’d better travel around Nanjing with a local tour guide_______ you want to know more about its culture.
A. unless B. until C. although D. if
3. You'd better get up at 6:30,_____you will be late for school.
A. if B. or C. and D. but
4. Jess didn't leave her office__ the police arrived.
A however B. whenever C. while D. until
5. Going to the movies is good,___I really only like listening to music.
A and B. but C. so D. or
6. -Excuse me, may I come in
-Not yet. Please wait on your chair___ your name is called.
A. and B. until C. after D. since
7. Bruce is always helpful, and he is__lovely___all of us like him very much.
A. too; to B. neither; nor C. so; that D. such; that
8. Your parents love you very much___ they seldom say, “I love you.”
A. unless B. or C.so D. although
9.___we don’t have enough money, we won't buy any useless things.
A. Since B. Until C.Because D. Although
10.-Which do you prefer, tea___ coffee
-Tea, please.
but B. so C. or D. and
11. She speaks________ Chinese_______French. Instead, she speaks English.
A. either; or B. not only; but also
C,.both; and D. neither; nor
12. My brother has a great sports collection, _______ he plays sports every day.
A. or B. but C.and D. nor
13.______I got back,I found my mother cooking for me.
A. When B. Before C.Since D. Although
14.We missed the last bus and didn't have enough money for taxi, ______ we had to walk home.
A. because B. for C.so D. since
15. It's four years_______I worked here.
A. since B. when C. before D. until