i know i am a student.i___i___a student把句子改为一般过去式

I am a Grade 9 studen.I have a problem.and I do not know how to deal eith it.牛津英语9A Unit3的阅读 英语中比如 I am a studen 可否说student 即是表语又是宾语 you know,I am a good boy. I always know i am a perfect jerk. I know I am a 谁谁谁知道啊 I am waniting .but I know I am not I know what i am doing I know i am not the one I am sexy and I know it I Know Who I Am 歌词 i dont know who am i I know I am too old for 求一首英文歌..歌词she doesn't know who i am...还有i am a am a crazy girl I don't know,maybe 翻译 I am in a only where you know waiting for oh yes i know i don't knowbaby i am konw i'am a foul这是林俊杰 I am never supposed to encounter a girl like you,I know I am a lucky guy. I am never supposed to encounter a girl like you, I know I am a lucky guy.