karelia (karelia) wrote in beta101,

Why No Comma Before This And?

So, now that you know when to put a comma before the conjunction, you’re ready to learn when not to put it there, right?

‘I am tired from today’s strenuous activities and want to go to sleep.’

Down to the skeleton sentence: ‘I am and want.’

In this case, the verbs (am, want) share the subject (I), and when that is the case, there is NO comma. So:

If two verbs share the subject -> no comma

And not only that but the sentence also lists two actions about the subject:

am tired
want to go to sleep

When there is a listing of only two items or actions -> no comma

Tip: If you’re new to all this, use the ‘Find’ function in your word processing program for the word and when you’re done with your chapter. Read each sentence that contains and. If each verb has a subject, add a comma before and. If two verbs share the subject, make sure there is NO comma. This way, you’ll probably have eliminated a good 50% of your error count.
Tags: compound predicate, no comma
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