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你知道用来表示频率的英语副词 “always”、“never” 等在句子中的位置吗？“一分钟英语” 视频列出频率副词在句中的三种位置，带你正确并灵活地使用这些词语，从而加深你对它们的理解。

Welcome to BBC Learning English! I'm Sam and today we're going to look at adverbs of frequency.

You know these… always, sometimes, never…

But, where do they go in a sentence? Look at always in this sentence – does it come before or after the verb?

Helen always starts work at 7:00.

The verb is ‘starts’ and always comes before. Rule number one.

Next sentence: Helen isn’t always happy about this.

The verb is 'is' and always was after. Rule number two.

Last sentence: Helen has always hated early starts.

Trick question! There was an auxiliary verb 'has' and a main verb 'hated' and always went after the auxiliary verb. Rule number three.

三条规律记住部分频率副词在句子中的位置：

1. 频率副词在行为动词前。

2. 频率副词在系动词 “be” 后。

3. 主动词前面有助动词的情况下，频率副词放在助动词后。