There'll be less pollution 是肯定句还是否定句

there will be less free time.是肯定句还是否定句? I think there will be less pollution.(改为否定句) There will be less pollution in ten years 改为否定句 There'll be less pollution zenm There will be less pollution in 20 years.(同义句) There will be there be句型,疑问句变否定句和肯定句! There be句型肯定句变否定句! do not be less there I pollution will think连词成句 Will there be less pollution? Will there be less pollution He must try to eat less meat. 1.这是一个肯定句还是一个否定句? 2.怎样变成... there is nothing 算肯定句还是否定句