Separate an introductory element with a comma
The idea
First identify the introductory words, then put the comma before the main clause begins.
Step by step
- Find the main clause that can stand as its own sentence.
- Identify the introductory phrase or dependent clause before it.
- Use a comma at the boundary without separating the main subject from its verb.
Example
Original sentence: When the rain stopped we went outside.
Which sentence correctly marks its introductory dependent clause?
Answer
When the rain stopped, we went outside.
When the rain stopped is the introductory dependent clause; the comma follows stopped.
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Write a sentence beginning After the lesson. Mark where the introduction ends and the main clause begins.
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