小学英语频度副词
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，即在一定的时间内动作重复发生或状态重复出现的次数。一般说来可按频率大小排列：
always＞usually＞often＞sometimes＞seldom（很少）＞never（决不）
always(100%)      usually(80%)        often (30-50%)
sometimes(20%)    hardly ever(5%)      never(0%)
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?
一、频度副词的意义：
1、always 意为“总是”，“一直”，它所表示的频度最高，相当于all the time。
如：Tom is always late for school. 汤姆上学总迟到。
2、usually意为“通常”，在一般情况下做某事很少有例外的意思，倾向于一种习惯。如：We usually go shopping on Sundays. 我们周日通常去购物。
3、often 意为“经常”，它表示的频度不及usually，用来表示动作重复，中间有间断。如：We often have supper at home. 我们经常在家吃晚饭。
4、sometimes  意为“有时”，它所表示的频度在以上这几个词中最低，它可以放在句子中间，也可以放在句首或句末。如：She sometimes walks along the river. 她有时候沿着河边散步。Sometimes I don’t like to work, because I feel too tired. 有时候我不想去工作，因为我感到太累了。
另外，还有hardly ever和never两个表频度的副词。
5、hardly ever 意为“几乎不”，如：She hardly ever watches TV. 她几乎不怎么看电视。
6、never 所表示频度最低，它所表示的是否定意义，意为“根本不，从未”。
如：He has never been to Beijing. 他从未去过北京。
二、频度副词表示的程度，从频繁到不频繁：
always 总是-- usually 通常-- often 经常-- sometimes 有时- never从不
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