本帖最后由 cicialice 于 2009-11-9 22:01 编辑
Proofreading for Commas
Compound Sentence Commas
1. Skim your paper, looking only for the seven coordinating conjunctions:
and, nor, but, so, for, or, and yet.
2. Stop at each of these words to see whether there is an independent clause (a complete sentence), on both sides of it. (For more help, see our handout on independent clauses.) She wanted to buy a new car, but she didn't have enough money to do so.
The wind blew fiercely, and the rain poured down.
Alaska was not the last state admitted into the US, nor does it have the lowest total population. Comma Splices - reword the sentence to change one clause into a subordinate (or dependent) clause (see our handout on dependent clauses)
- add a coordinating conjunction after the comma
- replace the comma with a semicolon
- replace the comma with a period, question mark, or exclamation point, and capitalize the first word of the second clause
comma splice: Americans speak too rapidly, this is a common complaint by foreign visitors.
correct: Americans speak too rapidly; this is a common complaint by foreign visitors.
correct: Foreign visitors commonly complain that Americans speak too rapidly. Introductory Commas
Introductory commas after dependent clauses
1. Skim your paper, looking only at the first two or three words of each sentence.
2. Stop if one of these words is a dependent marker such as while, because, when, if, after, when, etc. (see our Commas After Introductions).
While I was writing, the phone rang.
Because the weather was bad, we decided to cancel our planned picnic.
After the last guests left the party, we had to begin cleaning the house. Other introductory commas
1. Skim your paper, looking only at the first word or two of each sentence.
2. Stop if the word or phrase . . .
·
ends in -ing ·
is an infinitive (to + verb) ·
is an introductory word (well, yes, moreover, etc.)
To get a good grade, you must turn in all your homework problems.
Walking to work, Jim stopped for coffee at the diner.
Yes, I agree that the exam was difficult. 4. If the sentence begins with a prepositional phrase (a phrase beginning with in, at, on, between, with, etc.), place a comma after the prepositional phrase if it is longer than three words or suggests a distinct pause before the main clause. Examples:
On his way to work, Jim stopped for coffee at the diner.
In those days we wrote with a pen and paper.
Across the street from the library, an old man waited for a bus.
Disruptive Commas
For disruptive commas between compound verbs or objects
1. Skim your paper, stopping only at the coordinating conjunctions: and, or, nor, but, so, for, or, and yet.
2. Check to see whether there is an independent clause (sentence) on both sides of the conjunction. If so, place a comma before the conjunction. If not, do not place a comma before the conjunction.
disruptive comma: They bought two pizzas, but ate only one.
correct: They bought two pizzas but ate only one.(共享一个主语,所以不用逗号隔开~)
For disruptive commas between subjects and verbs
1. Find the subject and verb in each of your sentences.
2. Make sure that you have not separated the subject from the verb with one comma. It's often all right to have a pair of commas between a subject and verb for nonessential clauses and phrases that might be added there, but rarely is a single comma acceptable.
disruptive comma: That man sitting in the train station, is the person I'm supposed to meet.
correct: That man sitting in the train station is the person I'm supposed to meet.
Series Commas(这个很简单,大家都知道~)
Commas with Nonessential Elements
As an alternate test for a nonessential phrase or clause, try saying "by the way" before it. If that seems appropriate to the meaning, the phrase or clause is probably nonessential. To understand the essential vs. nonessential distinction, compare the following sentences. In the first, the clause who cheat is essential; in the second, the clause who often cheats is nonessential.
Students who cheat only harm themselves.
Fred, who often cheats, is just harming himself.逗号要不没有,要不对称~ 以下内容撷取我觉得对自己来说最关键的: Do NOT rely on your computer's spellcheck—it will not get everything! 考试的时候没法用word~所以平常练习的时候也是先用模考软件写,之后再复制粘贴到word里面找错误~ Make sure each sentence has a subject. In the following sentence, the subject is "students": The students looked at the OWL website. Make sure each sentence has a complete verb. In the following sentence, "were" is required to make a complete verb; "trying" alone would be incomplete: They were trying to improve their writing skills. Two Principles ·
Begin sentences with short, simple words and phrases that a) communicate information that appeared in previous sentences, or b) build on knowledge that you share with your reader. ·
In a paragraph, keep your topics short and reasonably consistent. Put most of the subjects at the beginning of your sentences. Avoid hiding your topic by opening sentences with long introductory clauses or phrases. |