It seldom rains August in Shanghai,does it 反义疑问句为什么用DOES 不用it

it rains sometimes It rains sometimes when it rains it pours It seldom snows in Kuming_________? Everytime It Rains的歌词 When it rains, it pours.什么意思？ it never rains in southern ca歌词 it never rains in southern carifornia It never rains but it pours.英文解释 when it is raining 和 when it rains