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Are the sentences I made correct, please?

We behave well.
We behave quite well.
We behave very well.
We behave very bad.
We We behave too bad.

We behave too seriously.

We behave rather seriously.

We behave rather shy.

We behave shy enough.

Thanks,
Patrice
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Anonymous
We behave well.
We behave quite well.
We behave very well.
We behave very bad. badly
We behave too bad. badly

We behave too seriously.

We behave rather seriously.

We behave rather shy. shyly

We behave shy enough. shyly
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You need adverbs because you are describing how you behave, not how you are.

I don't find "We behave shyly" to be very natural. We are often very shy in our behavior, perhaps.
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Comments  
Adj is to connected adv?
But adj is not describe noun?
 BarbaraPA's reply was promoted to an answer.
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Avangi,

Thanks for your help.

Patrice
Thanks for your comment, Grammar Geek.

Patrice