I am a little confused on the sentence "Yet not until teachers have the power to make decisions in their own classrooms can they enable their students to make their own decisions." I know that "until" indicates that whatever follows after will be the necessary condition. So how would I be able to properly identify the sufficient and necessary condition when "until" appears that early in the sentence?
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Great question. Here's how I'd diagram that sentence:
Students can make their own decisions - >teachers have the power to make decisions in their own classrooms.
In the sentence, you're right—until appears very early in it. We put the clause after "until" in the necessary condition, and we know this class ends with "classrooms," so that's the part that's in the necessary. The rest of the sentence simply goes into is the sufficient condition.
Does that make sense? Let us know if you have any other questions!
