I will paint the house today because it needs painting.

Until we get to school...

There is no need to have a comma in a sentence if the AAAWWUBBIS is in the middle of the sentence.

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When an unpunctuated sentence begins with one of the AAAWWUBBIS words, it is called a DEPENDENT CLAUSE.

It is DEPENDENT because it depends on the other part of the sentence to make sense.

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