Differences between Adjective and Adjective Phrase Edit

Adjective: I am helpless.
Adjective Phrase: I am without any help.

Adjective: This American machine is good. 
Adjective Phrase: The machine made in America is good.

Adjective: This rich man is benevolent 
Adjective Phrase: This man having riches is benevolent.

Adjective: Your kind act is praiseworthy.
Adjective Phrase: Your act of kindness is worthy of praise.

Adjective: That lazy man will never succeed. 
Adjective Phrase: That man indulging in laziness will never succeed.