如果是翻译成英文则如下：
If I were a bird, I could fly in the sky if he is an astronaut, she'll fly rockets to the space.
If I were you, I would not have to play pierced ears.
If I had one million dollars, I would put it in the bank.
If she is not a student, she can wear earrings.
If it doesn't rain tomorrow, I will go to the zoo.
If I go to bed early last night, I wouldn't be in the class be sleepy straws.