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频度副词在句中的位置是什么Theyswimquitewell.不是说频度副词放在动词前的吗,到底怎么用频度副词?

题目详情
频度副词在句中的位置是什么
They swim quite well.不是说频度副词放在动词前的吗,到底怎么用频度副词?
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答案和解析
一、usually,sometimes,always,often等词在英文中被称为“频度副词”,是用来表示动作频率的,但程度上有别.一般说来可按频率大小排列:
always>usually>often>sometimes>seldom(很少)>never(决不)
二、频度副词的位置
1.在be动词之后.如:She is sometimes very busy.她有时很忙.
2.在第一个动词或情态动词之后.如:
I will never forget the first time I met you.我将永远忘不了和你的第一次见面.
3.在实义动词之前.如:
We often go there.我们常去那儿.
4.sometimes也可放在句首、句中或句末,often也可放在句末.如:
Sometimes she writes to me.她有时候给我写信.
She writes to me often.她经常给我写信.
三、用法
1.often,always,usually等通常和一般现在时连用,表示现在经常或反复发生的动作.如:
It often rains here in April.这儿四月份常下雨.
2.always与进行时连用时,并不强调动作正在进行,而是表示赞叹、厌烦等情绪.如:
He is always thinking of others.他总是想着别人.(赞叹)
She is always asking silly questions.她老是问些愚蠢的问题.(厌烦)
3.对这些频度副词提问时,用how often.如:
I write to my brother sometimes.
How often do you write to your brother?
英语中always,usually,often,sometimes,seldom,never等,叫做频度副词.这类词用来表示某一动作发生的频率,或某一状态出现的频率,即在一定的时间内动作重复发生或状态重复出现的次数.如:
I always work hard at English.
I usually go to school at seven.
Do your friends often write to you?
Sometimes they play football on Friday.
He is seldom ill.
He never tells a lie.
上述副词表示的频度,虽然在意义上所差别,但它们在句中的位置却基本相同.
现将它们在句中的位置归纳如下:
一、如果是to be句型,频度副词要放在to be的后面.例如:He is often late for work.
二、如果谓语动词是实义动词,那么频度副词常常放在它的前面.例如:
I usually watch TV at seven in the evening.
三、如果句中含有情态动词或助动词,频度副词要放在它们的后面.例如:
He can often help you.
His father doesn't always watch TV in the evening.
四、sometimes还可放在句首或句尾.例如:
Sometimes we read English under the tree.
We go to work in a factory sometimes.
always(100%) usually(80%) often (30-50%)
sometimes(20%) hardly ever(5%) never(0%)