The comma is a punctuation character that is placed on the baseline and looks similar to a single quotation mark.

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Is a comma needed after “a, b and c”?

Does a sentence like this need a comma where the question mark stands? Sunshine is an app for smartphones, tablets and computers [?] that lets you track and post weather news to blogs, social ...
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Placing a comma after a conditional statement

I've always had difficulties in figuring out where commas should be placed. For example, in a phrase containing a conditional statement, how should I write... If they don't arrive by noon, she'll ...
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4answers
751 views

Comma splices and fragments in novels

I have noticed that many authors incorporate the use of fragments and comma splices in their novels. Given that this is acceptable practice in a novel, is it acceptable to use a comma splice or a ...
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Either and vs. Either or

(1) In this question on math.SE a question about the meaning of 'either' before a list which ends with 'and'. The meaning of either a, b, c, or d is from this answer sort of clear in that it means ...
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Should there be a comma in “Tell <name> <other name> says hi.”?

I just wrote to someone, Tell Alivia Wyatt says hi. Am I missing a comma? It seems like there almost has to be one between the names. I find it a strange sentence to punctuate.
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2answers
476 views

Is there any general rule of thumb that can be followed for where and when to add commas and full stops?

I always mess up with my writing by adding commas and full stops (periods) in the wrong places. Is there any rule of thumb or some other way that I can follow to avoid this problem?
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Meaning of “more original computer science”

If I write Knuth has written more original computer science than anybody else does it mean computer science that is more original or more computer science that is original? It seems like it ...
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Usage of commas with “albeit”

Is it correct to place two commas in this sentence? New York City plays a significant, albeit previously neglected, role in the urban narratives of [...].
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How to correctly assimilate dots, if at all?

I see this sentence: There are many examples like mining, farming, foresting etc., that are dangerous to society because they cause environmental damage. Shouldn't "etc.," be written instead ...
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889 views

How should this sentence be punctuated?

I'm not sure how to punctuate the following sentence: Besides the managers, Pete, John and Eric, also the secretary, Mary, came along to the meeting. I think I messed up completely with comma ...
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Comma in conditional sentence and in antithesis

I've got a couple questions: Should I always put comma between condition and consequence parts, like in the following sentence: If you have any questions, don't hesitate to ask. Should I always ...
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Is it mandatory to use a comma before a coordinating conjunction uniting the two independent clauses in a compound sentence?

My friend and I had an argument about whether this sentence required a comma: I understand where you're coming from but I disagree. My friend insisted that there should be a comma before "but": ...
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Comma before “including”?

Does this sentence require a comma before including? He has written on a range of moral issues including poverty, globalization, and euthanasia.
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Punctuation in a sentence “from A or B to C and even D”

Is there a need for punctuation in the following sentence: "Response time has reduced from weeks or days to hours and even minutes in some cases." More generally, how should one use punctuation in a ...
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1answer
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Commas with nested subordinate clauses both of which are restrictive (essential to the meaning)

I have been grappling with the question below for a while now, so hope that you can shed some light on it. Do we need the first comma (the one in brackets below) in the restrictive nested ...
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Using a comma after “that”

I would like to know if you can use "that" with a comma after it. For example: Findings show that, during the initial stages of love, there is increased blood flow to the brain.
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Tending to misuse comma

I tend to misuse commas in large way. Whenever I draft a professional mail, I get engrossed in the points, and somewhere along the way I get the feeling that this sentence is too long. I then ...
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461 views

What is a comma splice?

Is this a comma splice? What makes a sentence a comma splice? Being left at the altar on her wedding day, Pamela became furious.
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2k views

Why don't years have commas?

For example, if one asks "what's two thousand plus two thousand", one could write it like this: 2,000 + 2,000 But when one writes the date: January 2, 2000 So why do we put commas when ...
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1answer
539 views

Proper comma usage for multiple city/country pairs

I want to write a sentence with three city/county pairs. I normally use a comma between a city/country like so: I live in Sydney, Australia. But what is proper when describing three places? I ...
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290 views

When should an adjective be followed by a comma?

This happened whenever she was left alone in someone else's home. She'd feel as if she had been put inside a huge, abandoned turtle shell. I don't know why, but I just put a comma in the ...
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1answer
102 views

“Were happily recovering” vs. “were, happily, recovering”

The hospital informed us that both victims were happily recovering. The hospital informed us that both victims were, happily, recovering. What is the difference in meaning between the ...
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1answer
5k views

Does a comma have to be used before 'because'?

I have a big house because my parents are rich. I have a big house, because my parents are rich. Are there are some exceptions as well?
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995 views

Where to insert comma(s)?

Compare these: She tried, and, as expected, failed. She tried, and as expected, failed. She tried and, as expected, failed. She tried and as expected, failed. She tried and (as ...
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When should one use the comma versus the semicolon, and vice versa?

I cannot understand the difference between the comma and semicolon. Can you please clarify?
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412 views

Is this comma use unnecessary or wrong?

I'm an active user of another Stack Exchange site and regularly visit the close vote queue. When a particular filter has been cleared I see the following text: There are no items for you to ...
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When to use a comma before “and”

I often see people on the Internet using a comma before and in many cases (not adversative cases). Is it ok? In my language it is stricly prohibited to use a comma before an and except for adversative ...
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549 views

Using a comma before with “with”

I am trying to document some code and this sentence sounds confusing. Replaces the existing item associated with the provided key with newItem. I am tempted to put a comma here but I am not ...
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Comma before “as well as”

Here is the sample sentence: We have carried out works for private individuals and property developers as well as our own building projects." Should there be a comma before as well as in this ...
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676 views

Oscar Wilde, The Picture of Dorian Gray: “I wonder will you understand me?”

In The Picture of Dorian Gray, I came across the following passage, spoken by Basil Hallward: There is nothing that art cannot express, and I know that the work I have done since I met Dorian Gray ...
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2answers
1k views

“Don't worry, …”

"Don't worry, it won't hurt much." Is the comma the correct punctuation mark to use after "Don't worry"? This seems to be the norm, but I feel like there almost two sentences there and that ...
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Is the phrase, “Use commas sparingly” a valid piece of advice?

I am currently in the process of collaboratively editing a research paper, and participated in a meeting about it today. During the discussion, the head of the group made a blanket statement about ...
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Whether an omitted “that” should be replaced with a comma in certain situations

Consider a sentence like this: "I'm just letting you know that the meeting is at 6 tonight." It would be pretty common to omit "that" in this sentence: "I'm just letting you know the meeting is at ...
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1answer
311 views

Punctuating “What are you going to do, sue me?”

For example: What are you going to do, sue me? Is that correct? Or is there supposed to be a question mark after the first question: What are you going to do? Sue me? It seems like "Sue ...
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12k views

“Oh, dear!” vs. “Oh dear!”

Which is correct, "Oh, dear!" or "Oh dear!"? My understanding is that the word oh is an interjection, and should thus be followed by a comma. However, is the second usage the correct one because the ...
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1answer
751 views

What is the name for punctuation marks such as commas and periods that separate things like clauses or sentences?

When I'm editing people's writing, I recently started writing the comment "put an article here" rather than "put a 'the' or 'a' here". Similarly, right now I have to put, "you need a comma or period ...
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696 views

Why are commas needed in the following sentences?

I have difficulty understanding comma usages in the following sentences: Mr Hirai had already announced that Sony's TV production goal would be halved, from 40m units to 20m. (The Economist) ...
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Is it correct to use this expression in an email: “Attached you may find …”?

Is it grammatical to use the expression "Attached you may find ..." in an email? For example: Dear Sir or Madam, Attached you may find the documents you requested. ... If this is ...
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Should “vice versa” be treated as an independent clause?

I know "vice versa" more or less means "conversely," but when it is used by itself, should it be punctuated as if it were an independent clause? Dogs don't like cats, and vice versa. or Dogs ...
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725 views

Differentiating comma/period use in mid-dialogue

Best shown by example: (From Haruki Murakami's The Wind-Up Bird Chronicle) "But I still felt bad," she went on. "So I dragged myself all the way to your house later--like an idiot. "Don't worry," I ...
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1answer
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Comma Splice? “I'm curious, what is the time?”

I asked a question earlier regarding alternative ways of structuring indirect questions (please refer to this link). Forgive me if I'm over analyzing this, but I never write sentences like this so ...
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1answer
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Do I need a comma after “when” in this example?

I do not know if anything is getting created when the contract gets uploaded. Does this sentence warrant a comma after "when"?
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Question on lack of comma usage

My English teacher took some points off on a recent paper of mine based on improper comma usage, so I'm coming here for clarification. Here are the examples. The [x]'s indicate where the commas were ...
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641 views

Using the comma as a list of things vs two related thoughts

Recently I sent a mail wishing a friend well. I ended it with the following sentence. Please take care, and call me if you need anything. The comma was included because the two were separate ...
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How to punctuate sentences like “I'm just calling a spade, a spade.”

I was browsing Area 51 and I saw this comment: I'm just calling a spade, a spade. I'm never quite sure how to punctuate sentences like these where a phrase is repeated back to back, without any ...
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Comma after address

Here's an example: Chocolate lovers rejoice! Chocolate lovers, rejoice! To my understanding, the first one says that chocolate lovers are rejoicing and in the second one, we are asking ...
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What's the right punctuation for the following list?

Many cases of animal suicide were discused. A duck drowned itself after the death of its companion. A school of dolphins stranded on a beach with no reason whatsoever. A deer threw itself from ...
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2answers
247 views

Why is there a comma in “Man discusses his, wife's experience”

Why is there a comma after "his" in the headline? Does this mean his AND his wife's experience? Is it correct english, or slang? "Man discusses his, wife's experience being injured during the Boston ...
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7k views

'Plus, …' or 'Plus …'

I've a sentence structured as below for a leaflet: Fill in the survey and you can win x! Plus, a chance to be entered into a draw to win y! I typed this sentence and I just naturally added a ...
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Coordinating conjunction immediately followed by parenthetical — Is a comma needed or not?

William Strunk's Rules of Usage states: If a dependent clause, or an introductory phrase requiring to be set off by a comma, precedes the second independent clause, no comma is needed after the ...