The Absolute (pg 139 in C.E.A.). AbP. Here are some sentences written by professional writers, but with parts left out. She returned to her bench. The boy watched. About the bones, ants were ebbing away Six boys came over the hill half an hour early that afternoon running hard.
A two word combination.
A noun and a –ing or -ed verb added into a sentence.
The AbP is always separated with a comma