Consider the following sentence.  We are selling ___ 1,800 sq ft office.   I would write an, because I say eighteen hundred. But someone else would say a, because they say one thousand eight hundred.   For 2,000 it's easier, because it's always two thousand.   For 2,100 it can again be twenty one hundred, or two thousand one hundred.   So what is grammatically correct, what do I write so that I don't confuse my readers?
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Possible Duplicate:          I got the following sentence from the book I'm reading:     You can take a database-first approach   by first creating a SQL Server   database schema.   From what I learned, I think it should be "an SQL Server database schema", not "a SQL Server database schema". So which one is correct?
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Especially in IT it is often neccessary to write chains of nouns like "Messages List" because one cannot use "The list of messages" for variable name in a programming language. I can't understand how to construct them correctly for plurals, ex. "Message list" or "Messages list" ? What grammar rules concern this subject?  As a maybe special case, I'm interesting in naming the number of something, ex. the number of apples. It is common to use "apple count" (altough 'count' means counting, not quantity). What is right, "apple count" or "apples count", and why?  I found  question. Maybe both forms are allowed?
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I wonder about the use of as a and as (only)  in writing. Can you explain when it is correct to quantify the noun when presenting oneself? I will paste some examples for clarity. Are there any rules to follow? Example 1  a) As teacher, I meet many children. b) As a teacher, I meet many children.  Example 2  a) Working as pilot, I fly airplanes. b) Working as a pilot, I fly airplanes.
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Isn't the following sentence grammatically correct?     The group of fifty people are going to arrive Thursday.   What's wrong with it? Someone said it should be      The group of fifty people is going to arrive Thursday.   Why? People is plural so why is people is better than people are?
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I’m writing a dissertation on network security. I’m unsure which of the following to use:   ...89.9%, which is 57 million users.  ...89.9%, which are 57 million users.   Technically it should be are because it refers to a plural amount of people, but it doesn’t sound right to me considering that 57 million is in a sense one group.
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My teacher was explaining how sometimes a comma isn't enough to make a sentence correct, and that sometimes you have to use a semicolon. I am having trouble figuring out when you should use which.   Can someone please explain?
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I understand the rules for dual possessives, but I was writing and I realized that I have no idea how the following sentence should be written.  She and Kevin's house is big.  or  Her and Kevin's house is big.  Normally for a dual possessive, if there is joint possession (two people owning one thing), only the last noun takes the possessive form, but the first sentence sounds and reads awkwardly. Is it actually correct?  The pronoun seems to be the source of the confusion, as I would have no trouble choosing between the following:  Kim and Kevin's house is big. Kim's and Kevin's house is big.  The first would be correct because the house belongs to both Kim and Kevin, so only the last noun, "Kevin", takes the possessive form. Does the same rule apply when one of the nouns is a pronoun, or is there a different rule in such cases? Can someone help me out, please?  Note: I realize that there are similar discussions already:     However, these questions only discuss the proper formation of the first-person pronoun in such cases (i.e., "I" vs. "my"). I'm interested in the rules for correctly forming the third-person pronoun.
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What's the correct form? If both are correct, what's the difference?
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I couldn't afford that big a car. It was so warm a day that I could hardly work.   The sentences stated above have been taken from Practical English Usage by Michael Swan. If I write-   I couldn't afford that big car. It was so warm day that I could hardly work.   These make sense. But placement of article a makes these sentences awkward to me. Please say why and when articles are placed after adjectives. And what are the differences among 1, 2 and 3, 4.
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For example, if I wanted to write the equivalent of  There are many automated teller machines in this city.  Would it be  There are many ATMs in this city.  or  There are many ATM's in this city. (could get confused with possessive form or contraction).  or just  There are many ATM in this city. (assuming the final s is included in Machines represented by M).  Maybe something else?
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I've been having an argument with a colleague about this sentence, could you please let me know which one of us is correct:     There are no shortage of applications for our product in this   space.   She is convinced that are should be replaced by is, and I think it should stand as it is. Thanks for your help!
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Out of the three, which is the best option and with which grammatical rule:        I have four dozens of mango.   I have four dozen of mangoes.   I have four dozens of mangoes.
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I think the single dashes (hyphens) should be placed between the numbers and units in this sentence:     ...in a cylinder of 3-inch radius and 24-inch length.   Is that correct and should hyphens be added to this second sentence?     ...making a trench nearly 15 feet wide and more than 30 feet long.
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Is it two-third or two-thirds? If both are correct, how does their usage differ?
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Here is the documents needed.     Here are the documents needed.       Which is grammatically correct and why? My guess would be the second one because of the plural form.
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Is this sentence grammatically correct?  "The application site comprises an existing care home which has 59 bedrooms and 85 registered bed spaces"  I was under the impression that 'comprise' would indicate plural, eg  "the playground comprises a slide, a climbing frame, and a swing"  and that using it singularly is incorrect, eg  "the playground comprises a slide"
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Take the examples:   "One in ten children are dyslexic."  "One in ten children is dyslexic." "One in ten children has dyslexia." "One in ten children have dyslexia."   The "one" is singular so 2 and 3 should be correct. But the "one in ten" is a fraction" so 1 and 4 should be correct. And yet I think I usually say 1 and 3. Which is/are correct?!