as if it were中为什么不是as if it was?

as if it were中为什么不是as if it was? He spoke as if he were a boss.为什么用were?急.为什么不是was？ It seemed as if the world was at an end为什么不是It seemed as if the world were at an end?不是虚拟语气么? when a pencil is partly in a glass of water,it looks as if it were broken 为什么用partly? He held a book of poems as if it were a diamond necklace.虚拟语气后面为啥用的是were不是was? Time is treated as if it were always something real这句话中为什么要用虚拟语气 the milk smells as if it is sour.为什么不是 as if it was sour啊 It seems as if he were an expert 为什么谓语动词要用were 而不是was It was as if she were dead这里的were 为什么不用was ______that as it may ,we have nothing to lose.A.Be B.If C.Were D.So选哪个,为什么 as if Prince Charles were the expected guest为什么用were不是was It’s as if they were If I were a boy中,为什么要用were? If it were not for their support,we would be in a diffcult situation那个were为什么不是were,而不是 is 或was或 are He stared at me ---I were a strangerA.even if B.as if C.as long as 为什么? he treats me as if I were a stranger.为什么用were 而不是am Linda speaks as if she were a boss.为什么要用were? It seems as if it----rain.A.will to B.is going to C.is to D.were going to 选B为什么