一、频度副词的概念与用法

频度副词是指表示动作发生的次数副词，常见有的never, seldom, sometimes, frequently, often, usually, always 等。频度副词通常位于实义动词之前，动词be、助动词、情态动词等之后。如：

We often get together. 我们常常聚会。

Jane usually goes to work by bike. 简通常骑自行车上班。

He sometimes goes there on business. 他有时到那里出差。

He can never understand. 他永远也不会明白的。

I was never very good at maths. 我的数学从来不好。

Ishallalways remember this. 我将永远记住这一点。

You have often been told not to do that. 多次告诫过你别干那事。

注：如果有两个助动词，频度副词通常放在第一个助动词后面。如：

We have never been invited tooneof their parties. 他们聚会，一次也没邀请过我们。

Shemustsometimes have wanted to run away. 她有时候一定想到过要逃走。

二、频度副词位于助动词之前两种情况

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