Write a tag for each sentence (разделительные вопросы: не так ли?/не правда ли?) They gather berries every summer,....................?

1) They gather berries every summer, don\'t they? 2) They never gather berries, do they? 3) They don\'t gather berries, do they? 4) You never see any squirrels in the park, do you? 4) You saw some squirrels in the park, didn\'t you? 5) You didn`t see any squirrels in the park, did you? 6) The train leaves at 10 o`clock, doesn\'t it? 7) The train doesn`t leave at 10 o`clock, does it? 8) The train never leaves at 10 o`clock, does it? 9) The train left at 10 o`clock, didn\'t it?