M01 laws tm4 5700. indd

9
For example, John Davis’s 
marriage to his wife, Marta, broke 
up until [because] he insisted on 
spending so many hours on the Net.
10
As soon as he arrived home from 
work[,] he was at his computer.
11
While [When / As soon as] he 
finished dinner, he would disappear 
into his computer room again.
13
Since college students are 
especially technologically skilled[,] 
they can easily become nonstop 
Net-surfers.
15
Moreover, most colleges provide 
computers at several locations 
around campus, so that [so that] 
students can use them at any time 
day or night.
17
Last semester, nine freshmen 
at East Berkshire State University 
flunked out although [because] they 
became Internet addicts.
18
In short, even though the 
Internet is an excellent source of 
information and entertainment, but 
we must not let it take over our 
lives.
Wrong subordinator
Too many 
subordinators 
[delete although 
or but]
Too many sub. [Cross 
out because or so]
Unnecessary comma
Wrong subordinator
Missing comma
Wrong subordinator
Missing comma
Wrong subordinator
Wrong subordinator
Too many 
subordinators. 
[Cross out even 
though or but.]
CHAPTER 13 
(pages 243–263)
Questions about the Model 
(page 244)
1. which took place in 1621; it modifies the first 
thanksgiving feast in the United States.
 2. who came to the feast; it modifies the pronoun 
everyone.
 3. that they ate; it modifies the food.
 4. that they eat; sentence 4 is in the past, 
sentence 7 in the present.
PRACTICE 1: Recognizing Restrictive 
and Nonrestrictive Clauses