Which Verb Tense is Used in Each Part of a Research Paper

This podcast explains where (and why) to use the past or the present tense (or the present perfect tense) of verbs in each part of a research paper. For example, should the Results section always be in the past tense? Which verb tense is correct for Figure Legends or Subheadings? Did you know that verb tenses can change within the same sentence? Even native-English authors of medical and science papers get the answers to these questions wrong!

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Using “A” or “An” Before a Noun in Research Articles

When do you use indefinite articles, and which one do you use? There are two indefinite articles in English: “a” and “an.” The word indefinite as related to grammar means something that has not been identified, is generic, or is an unfamiliar person or thing. You use an indefinite article when (1) you are introducing new information, (2) the reader does not know exactly which noun you are referring to, or (3) the noun is not unique.

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Using “The” Before a Noun in Research Papers

There are 3 articles in English: aanand the. Articles are used before nouns to give context to that noun, meaning articles tell the reader how the noun is being used. But do all nouns in English have an article in front of them? Which of the three articles should be used before a noun, and when should they be used? This and the next podcast in this series will help you to understand this tricky subject.

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Always Singular or Always Plural Nouns

Here is a handy short list of uncountable nouns (which are always singular) and a few countable nouns that are always plural; both are commonly used in science and medical writing.

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Countable vs Uncountable Nouns

Do you think using the words “evidences” or “researches” is grammatically correct English? Then listen to this podcast on “Countable vs Uncountable Nouns” to understand why they are NOT correct and to improve your science and medical writing.

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