Where do we place adverbs of frequency in a sentence?

1. For sentences that contain the verb to be -

2. For sentences with one main verb -

3. For negative sentences -

4. For frequency expressions -

1. For sentences that contain the verb to be - before the verb to be.

2. For sentences with one main verb - after the main verb.

3. For negative sentences - between the auxiliary and the main verb.

4. For frequency expressions - at the end of a sentence.