have shown an increase of 222%; those of the United
Kingdom an increase of 115%; and those of the United
States an increase of 130%.
Write five sentences illustrating Rule 5.
=Exercise 182--Explanatory Expressions=
There are a number of expressions--words, phrases, and clauses--which
are inserted into the sentence for clearness or emphasis. They add a bit
of explanation but are not absolutely necessary. In other words, they
might be omitted, and the sentence would still be clear. These may be of
various kinds but are all similar in use. They should be set off by
commas so that the reader will easily see that they are subordinate to
the main idea of the sentence.
A. The _appositive_ is a word or a group of words inserted lo explain
the noun that it follows. (See Exercise 80.)
Explain the use of the commas in the following sentences: