Business English: A Practice Book by Rose Buhlig

2. before 4. since

Remember that just as a preposition must be followed by an _object_ to form a phrase, a conjunction must be followed by a _subject_ to form a clause. _Illustration_ { _Christmas_.--OBJECT. I have not seen him _since_ { { _he_ went away.--SUBJECT. =Exercise 74= Name the complete subject in the following. Then name the simple subject, explaining by what elements--words, phrases, or clauses--it is modified. Name the complete predicate. Then name the simple predicate, explaining by what elements the verb is modified.