----Go to bed <not> very late, please.----

[CSHY]

Negative sentences withought auxiliary Do

----Go to bed <not> very late, please.----

Is this kind of sentences still common in today's everyday English?

 

[tedmc]

No, the sentence is not natural.
Who wrote it?
What are the extra symbols (---- and <>) for?

 

[teechar]

Is this kind of sentence s still common in today's everyday English?

It's unnatural. Who told you it might have been common at any time?