Correcto, Birds do not fly south for the winter., The teacher doesn't give good instruction, My dog does like his treats, Don't you think it will rain today?, Mr. Smith doesn't work very hard., Fireworks don't light up the sky, Doesn't it snow in the mountains?, Incorrecto, Birds does not fly south for the winter.6X7=43, The teacher don't give good instruction, My dog do like his treats, Does not you think it will rain today?, Mr. Smith do work very hard., Fireworks doesn't light up the sky, Don´t it snow in the mountains?

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