COMMA USAGE, Lecture notes of Grammar and Composition

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COMMA USAGE

A comma is…

…a useful punctuation device that

separates elements of a sentence into

manageable segments.

Commas are used:

§ To separate clauses, phrases, or words written in a series Examples: Clauses – The prosecutor argued his case against the defendant who was at the scene of the crime, who had the motive, and who was driven by vengeance. Phrases – The player hit the ball, dropped the bat, and ran to first base. Words – Tina, Jim, and Eddy applied for the same position. § To connect two independent clauses joined by a coordinating conjunction (and, but, for, or, nor, yet, so) Example: He managed to leave the office on time, but he was late for the party.

Examples

1. To facilitate an excellent repair job, I recommend

Smith & Conners.

2. The owner installed new equipment, and he hired

new personnel to advise clients.

3. The committee selected books notebooks, pens,

and paper clips.

4. After they made a decision, they began the work

immediately.

5. Your ideas, in my opinion, should be adopted by all

parties involved.

Introduction

Often at the beginning of a sentence,

there is an introduction of some form.

Depending on the situation, these

introductions may or may not require a

comma. There are two types of

introductions which require a comma

afterwards.

Introduction

§ Whenever there is a phrase with three or more words,

you should add a comma. These phrases may begin

with prepositions such as when, after, if, because, to ;

words ending in “ ing ”; or other phrases which by

themselves are not considered complete sentences.

Ex .: Once you have completed the assignment,

please go and see the teacher.

Sitting before the tree, the cat determined

the squirrel was too far away.

Examples

1. If the plane does not stop for fuel, will we be able to complete the trip?
2. Considering the current trend, it is best to be prepared for the unexpected.
3. Yes, there will be a meeting about how professors have been responding to their students recently.
4. While this seems trivial, the effects will greatly improve the condition of the students.
5. All things being considered, the changes should be in place no later than the end of the semester.
6. However ,we must not act too quickly or the results could be disastrous.

Explanation—Complexity

§ If you are writing sentences which contain more than one independent clause connected by a coordinating conjunction, a comma is required before the conjunction. The words which qualify under this category are and , but , for , or , nor , so , yet. Ex.: I went to the store, and Dana decided to take a bath. The barn received no apparent damage immediately following the storm, yet there now appears to be a few broken windows. § This is not the case, though, if one of the clauses is dependent (cannot stand on its own as a sentence). In this case there should be no comma before the coordinating conjunction. Ex.: Sally bought a new bike but just put it directly in storage without using it.

Explanation—Series

§ Whenever you make a series containing three or more words or phrases, you must separate the words or phrases with commas. Ex.: Even the cows, horses, and deer hate the sound of that baby screaming! Flowing water, steaming soup, and burning wood all remind me of camping. You need to be running, walking, or jogging through the desert for an hour. § If you only have two words or phrases in a series, you only need to add the conjunction. Ex.: Both the cat and the dog are swimming in the pool. Either you or that car must leave.

Examples

1. Whenever you come over to the house be sure to bring cookies, ice cream, chips, and pop.
2. Don’t forget about the sandwiches and condiments either.
3. Could you make sure that someone is in charge of bringing the decorations, inviting the guests, and buying the plates and silverware?
4. What about keeping the secret from the birthday girls and boy?
5. Should Sally, Joey, or Dan be put in charge of keeping them busy while we decorate?