0 A complement completes a grammatical structure. 02br 02br 00I saw .... No complement, so it doesn't make sense. 02br 00I saw the book. "the book" serves as a complement. It completes the grammatical structure. It makes sense. 02br 02br 00CJ 0-
A complement follows the verb "to be" and similar verbs such as "seem". It tells us something about the subject e.g.: Danny is a photographer.(noun) Danny is handsome. (adjective)