How or What?

These two questions have completely different meanings!

"How do you think?" is asking someone about how their mind works.

"What do you think?" is asking someone for their opinion about something.

Hmm ok) thanks)

Valeria KorshunovaHow do you think

This one is odd in the sense described above. Usually it’s used as part of a larger sentence:

How do you think he feels about her?
How do think he managed to escape?
How do you think he will react to the news?

The content clause is sometimes left understood in reply to a question

the opinions are different...

If teechr is a native speaker, I doubt he will disagree with my answer.

so, if I got it right, the variant with "how" can't exist without a continuation, while the variant with "what" can be used separately?

Valeria Korshunova so, if I got it right, the variant with "how" can't exist without a continuation, while the variant with "what" can be used separately?

Not exactly. If you are only concerned with discussing someone's opinion, "How do you think?" would normally need a continuation, either actual or implied. However, as teechr observed, "How do you think?" co

ok) and the last question, which of the variants is more commonly used?

I'm fairly sure that How do you think? is a literal translation of the Russian equivalent of What do you think?, so you most likely need the latter.

yea, I also think so, that's why this strange question came to my mind..