Grammar, Usage, and Punctuation


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Table of Contents

Grammar, Usage, and Punctuation

“You,” “the user,” and “users”

“Must,” “can,” “may,” and “should”

“A” versus “the”

“A” versus “an”

“A” or “an?”

“Its” versus “it’s”

Subject-verb agreement


Clauses: Independent versus dependent

Two types of dependent clauses

“That” versus “which”

“That”/“which” or “who”?

Use present tense for documentation

Present versus present continuous tense

“State of being” verbs don’t use present continuous tense

Present or present continuous tense?

Present or present continuous tense?

When do you use present continuous?

Present perfect tense

Present perfect continuous tense

Certain prepositions signal which perfect tense to use


Prepositions of movement

Prepositions of place

Place-of-work prepositions

Prepositions of time

Idiomatic use of prepositions

Idiomatic use of prepositions

Commas: Five differences in English

Don’t use commas

Use commas

Commas are optional

Acronyms with plurals


When do you hyphenate?

Hyphenation may depend on whether term is adjective, verb, or noun

Incorrectly hyphenated terms

Hyphenate two or more words used as an adjective

Don’t hyphenate

Instead of a hyphen

Author: Karin Gallagher


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