Business English: A Practice Book by Rose Buhlig

5. how long 10. by what means

=Exercise 70= Name all the prepositional phrases in Exercise 179, explaining whether they are adjective or adverbial. =Exercise 71--The Clause= A _subordinate clause_, like a phrase, is a group of words used as a part of speech, the chief difference being that a clause must have a subject and a predicate. Clauses are introduced