- unit 1Will there be less pollution? No, there wont. There will be more pollution.Will there be fewer trees? Yes, there will.Kids wont go to school.Kids will study at home on computers.Fewer: Use fewer to talk about countable nouns. There will be fewer trees.Less: Use less to talk about uncountable nouns. There will be less pollution.Unit 2Whats wrong? My clothes are out of style.Whats the matter? I argue with my best friend.What should I do? You could write him a lett