if you were a bird,you could fiy to beijing.为什么要填were 和could

If i were a bird,i could fly high.Were i a bird,i could hard if i were a bird,i would fly to you If you could be a bird or a fish,which would you like to be? if i were you, i could't. i hate everything what to do什么意思 英语翻译Even if you were a million miles away I could still feel "If I were a bird,I could fly in the sky. "这句怎么翻译? If he __a bird,he could fly.A.is B.are C.were D.would be 为什么是If I "were" a bird? 英语翻译If I were a bird,I would fly to you I wanna fly to you b If you could have chosen where you were born,what culture wo If I were you,I ___ worry so much.A could not B must not C w You were late again this morning.Could you tell me()to you