Comma Rules Practice 2 Answer Key

1. Use a comma before a coordinate conjunction (and, but, or, nor, so, for, yet) in a compound sentence.  

I am not complaining, but I am stating my rather unhappy opinion.

2. Commas are usually used after introductory words, phrases, and clauses.

When you leave today, remember your umbrella.
From the roof, I could see for miles.
Furthermore, I would like you to mow the lawn.
Yes, Santa Claus, there is no Virginia.

3. Use commas to set off items in a series of three or more.

Of the letters X, Y, and Z, I prefer Z.

4. Use commas to set off coordinate adjectives not joined by and.

The tired, ambitious clerk usually worked through lunch and stayed late.

Insert commas as needed in the following sentences.  Not all sentences need commas.

1. In the mid-1970s, I had a diabolical, intelligent dog named Moonbear.
   Rules 2 & 4

2. Moonbear was a smart, quick, and hungry dog.     Rule 3
   
3. He was also a very useful dog, for he had the ability to scare off would-be intruders.  Rule 1
   
4. Of all his amazing tricks, the one that amazed me the most was his speed. Rule 2
   
5. When he was hungry, he could move at incredible, unimaginable speeds.  Rule 2 and Rule 4
   
6. For example, I once removed a freshly baked cherry pie from the oven, and I put it in the center of the dining room table to cool.
    Rule 2 and Rule 1
   
7. Before I knew what was happening, Moonbear jumped onto the table and began eating the very hot pie.  Rule 2
   
8. He had eaten half of the pie before I was able to stop him.  NO COMMAS
   
9. After the cherry pie incident, I was more careful where I put baked goods to cool. Rule 2
   
10. However, even the top of the refrigerator was not safe from Moonbear. Rule 2

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