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Commas after an Introductory Word or Phrase

20 一月, 2015 - 14:56

You may notice a comma that appears near the beginning of the sentence, usually after a word or phrase. This comma lets the reader know where the introductory word or phrase ends and the main sentence begins.

Without spoiling the surprise, we need to tell her to save the date.

In this sentence, without spoiling the surprise is an introductory phrase, while we need to tell her to save the date is the main sentence. Notice how they are separated by a comma. When only an introductory word appears in the sentence, a comma also follows the introductory word.

Ironically, she already had plans for that day.