1.Is everyone good?Yes,they are.No,they aren't.
本来everyone 是单数,那么回答时就应该用单数.但是,everyone 既可以指男人,又可以指
人,因此,回答时就成了:Yes,he /she is.因为he/she 太罗嗦了,今天的英语就成了Yes,they
are.No,they aren't.
2.If I were you 是一个虚拟语气的固定句型,因此,永远是If I were you.但今天由于全世界说英
的人太多了,的确有人会说If I was you,依旧是虚拟,虽然别扭,考试时也算对.