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表示
并列
关系
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and
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连接两个词或短语，多用于肯定句中
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Go and fetch something to eat.
He started to shout and sing.
Read it slowly and clearly.
The balloon flew higher and higher.
You can meet teachers and students.
Proper diet and exercise are important to health.
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连接两个句子，表示因果、对比、条件、假设、目的等
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They didn't catch the bus, and had to stay in a hotel for the night.
Mary likes music and Lily is fond of sports.
Work hard and you will succeed.
One more week and we'll accomplish the task.
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both...and
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连接主语、宾语、表语、状语、谓语等成分， 连接并列主语时谓语动词用复数形式
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Both teaching and research work are making great strides.
The delegates visited both New York and Boston.
Both she and the headmaster were pleased with the boy.
The situation both at home and abroad is in our favor.
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not only...but (also)
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连接两个词或短语，连接主语时谓语动词采取就近原则
|
Not only the students but (also) their teacher is enjoying the movie.
He can speak not only French but (also) English.
He not only had seen the film but (also) remembered what he had seen.
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连接两个句子，not only位于句首时，not only后的句子要部分倒装
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Not only is he a scientist, but he is also a fighter.
Not only was everything he had taken away, but (also) his citizenship.
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as well as
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连接两个词或短语，作主语时，谓语动词与前一个主语保持一致
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The teacher as well as the students enjoys listening to English songs.
He grows flowers as well as vegetables.
We are repairing the roof, as well as painting the walls.
It is important for you as well as for me.
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when
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表示“就在那时”，一般用于固定句型
|
I was about to leave when the telephone rang.
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表示
转折
关系
的并
列连
词
|
but
|
转折语气最强
|
Learning the guitar isn't difficult, but you have to practice.
The changes in the city will cost quite a lot, but they will save us money in the long run.
Excuse me for breaking in, but I have some news for you.
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while
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强调“对比”
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You like sports, while I'd rather read.
They were surprised that a child should work out the problem, while they themselves couldn't.
|
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yet
|
常用于否定句
|
He was in deep trouble, yet he didn't lose heart.
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表示
选择
关系
的并
列连
词
|
or(多用于否定句或者疑问句
中)
|
连接两个词或短语；连接主语时，谓语动词采取就近原则
|
John or you are in Class Two.
He never smokes or drinks.
Will you have tea or coffee?
Are you leaving for Beijing by train or by plane?
She will be back either today or tomorrow.
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连接两个句子时，常和else连用
|
Would you like a cup of coffee or shall we get down to business right away?
Put on your overcoat, or you will catch cold.
Hurry up, or /or else we'll be late for the meeting.
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or else语气较or强，otherwise语气最强
|
Make haste, or (else) you'll be late.
Let's begin, otherwise, we will fall behind.
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either...
or,
neither...
nor, not...
nor
|
连接两个词或短语；作主语时，谓语动词采取就近原则
|
Either my father or my brothers are coming.
Neither you nor I am wrong.
Either the coach or the players are responsible for the defeat.
He does not ride, nor shoot, nor fish.
Either we go now or we remain here forever.
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连接两个句子时，neither, nor位于句首时，该句倒装
|
Neither could theory do without practice, nor could practice do without theory.
Mrs. Smith doesn't smoke; neither /nor does her husband.
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表示
因果
关系
的并
列连
词
|
for
|
for引起一个分句，对前面的情况加以解释，有逗号把它和前面的分句分开， 语气比because轻
|
I apologized to her, for I had wronged her.
The shop was quite new, for it had opened only the week before.
He felt no fear, for he was very brave.
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so
|
表示结果，意为“因此，所以，于是”
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These buildings were over 50 years old, so they were not strong enough.
It was late, so we went home.
He was sick, so they were quiet.
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therefore
|
意为“因此， 所以”，多放在分句或句子的前面
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Good technique in medicine means less pain and fewer deaths, therefore it is our duty to master it.
He broke the law, therefore he was put into prison.
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