Nominative absolute...

See these links:
http://www.chompchomp.com/terms/absolutephrase.htm

http://grammar.ccc.commnet.edu/grammar/phrases.htm

Is it similar to participle clauses?
For example, Sitting with her friends,she realized she forgot to turn the oven off.

JumanahIs it similar to participle clauses?

It must have a noun or pronoun first.
It does not modify another noun in the sentence.

Karen sitting with her friends, what a beautiful sight to see!

He walked about the streets, his coat unbuttoned, his heard bare.
Can you please clarify this nominative phrase.
It looks strange to me

Is it okay to say "She sitting with her friends, ..."?

He walked about the streets, his coat unbuttoned, his head bare.
It looked strange because "head" was not spelled right.

JumanahIs it similar to participle clauses?

That's exactly what it is, but with a subject noun at the beginning. However, a pronoun (she, he, etc.) is not a good choice for the subject of that kind of clause.

Here are more examples. I don't guarantee they are the best sentences ever written, but they'll give you a general idea of how "absolut

JumanahHe walked about the streets, his coat unbuttoned, his head bare.

Depending on the source of your information, these may or may not be considered cases of "(nominative) absolute" constructions. When there is no participle at all, they are often called "short clauses" instead. These clauses have the disti

Thank you so much, C.J