These helper words are always the first words in your DEPENDENT CLAUSE for complex sentences.
***Remember: if you begin your sentence with one of these words, you will NEED A COMMA, but if the word is IN the sentence then NO COMMA.
1. When high school students choose to experiment with drugs or alcohol, everyone loses. COMMA
2. Everyone loses when high school students choose to experiment with drugs or alcohol. NO COMMA
Complex Sentence Helpers
after how unless before because
although if until while since
as in case when though whether
as if now that whenever even though
as though once where as soon as