function of each word造句

(1 ) The grammatical function of each word is distinguished according to whether it is complements " : the " pre-transitive, " " verb-object construction ", " possessive object, " and " impersonal verb-object compound " " ( Luo 1947 : 432-433 ).
It's difficult to find function of each word in a sentence. 用function of each word造句挺难的