I feel as if I were floating on air.这句话好像单词用错了吧.

I feel sure that if I study hard,i will succeed 这句话语法错在哪里了? SAT改进文章题(1) This summer I felt as if I were listening in on felt as if I were dying I would feel that way too if I were you If you see what I see,if you feel as I feel,and if you would 请问这句话怎么翻译I wonder if you feel that i feel it I feel as if I had wakened ____ a nightmare. If only I were as wise as you. If I were as you as beautiful!翻译 If only i were as clever as you! he treats me as if I were a stranger.为什么用were 而不是am 用 if i were you