Commas After Introductory Clauses

Place a comma after an introductory adverb clause. An adverb clause shows time, place, degree, extent, cause, or condition. It is a subordinate clause which begins with a subordinating conjunction. Correct: Before the curtain fell, the actors bowed. Correct: If the next two nights are sellouts, the play will be extended. Note that if a

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Commas After Introductory Phrases

Use a comma to separate a group of prepositional phrases of more than four words when the phrases come at the beginning of a sentence. Do not use a comma between separate phrases unless they are in a series. A comma may also set off a single prepositional phrase at the beginning to make the

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Commas and Introductory Words

Commas are used to set off certain items that often begin a sentence and have no grammatical connection with the rest of the sentence. These items include certain common expressions, unemphatic interjections, and direct addresses. Common Expression: But of course, we have mustard in the car. Unemphatic Interjection: Yes, we have no bananas. Direct Address:

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Commas with Paired Adjectives

Coordinate Adjectives If two adjectives modify a noun in the same way, place a comma between the two adjectives. These are called coordinate adjectives. There is a two-part test for coordinate adjectives: (1) Can you replace the comma with the word and? (2) Can you reverse the order of the adjectives and keep the same

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Commas in a Series

Use commas to separate three or more words, phrases, or clauses in a series. A conjunction goes between the last two items of the series. While some authorities say that the comma before the conjunction is optional, leaving it out may cause confusion, so it is better to include it. Words: Use commas to separate

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