我能正确使用时间介词和频率副词。

I can use prepositions of time and adverbs of frequency correctly.

什么是频率副词？

What is an adverb of frequency?

频率副词是一个告诉我们某事发生的频率或频率的词。

Adverb of frequency is a word that tells us how frequently or how often something happens.

一些频率副词（有时、经常、通常）也会位于句首，以进行强调。

Some adverbs of frequency (sometimes, usually, normally) are also placed at the beginning of the sentence for emphasis.

当be动词作为一个句子的主要动词时，频率副词位于be动词之后。

Adverbs of frequency are placed after the verb 'to be' when used as the main verb of the sentence.

我不常做梦。 （dream是不及物动词，often是频率副词，在句中作修饰语。

I don't dream often.

那么咱们将要听录音，将上面图片中代表各个活动的字母a-e写在这些频率副词旁的横线上。

Then we be to Listen to the tape or read the letters since the imagin up on the lines under.