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Sentence Correction: Subject Verb Agreement Questions - Overview

What is the subject of the following sentence?

John, waiting for Jane to return home from work, began cooking dinner.

You're right!

Began is a verb. In 95% of the cases, the subject comes BEFORE the verb.

Jane is part of a part of the sentence that's separated from the rest of the sentence by two commas. Such separation tells us that the part between the commas is not an integral part of the sentence. You can ignore it or delete it, and it won't affect the sentence's grammatical correctness.

A subject, on the other hand, is an integral, crucial part of the sentence and is NEVER separated from the verb by a single comma.

The part that is separated by commas is not the subject. A subject is a crucial part of the sentence, a part that if we delete will make the sentence incomplete and incorrect.

The part that's between the commas - waiting for Jane to return home from work - is not a crucial part of the sentence. If we delete it, the sentence's correctness will not be affected.

This part is separated from the rest of the sentence by two commas. The purpose of this separation by commas is to show the reader that the part between the commas is not an integral part of the sentence. Remember that the subject and the verb are never separated by a single comma.

John
Jane
began cooking dinner
waiting for Jane to return home from work
John, waiting for Jane to return home from work,