I am young.(过去式)

I am young.(过去式) He was once a young person as I am now前面是过去式为什么后半句能用现在时 I am really tired.(yesterday)改为过去式 I am faster than you(改为过去式) i am not at home this morning.改成过去式.过去式, am过去式 am 过去式 用过去式的时候,i am a girl,这个am也是用过去式嘛? I am as young now as I was in my young days怎么翻译？ I am much______than you.A.oldB.olderC.oldestD.young I am not young enough to know everything中文翻译 i am not young enough to know everything什么意思 I am not young enough to know ever ything I am not young enough to know everyting 英语翻译________ _________,I am __________ __________ young man. I am a pure girl,also likes the pure young I am too young to die如何翻译哦? I am watching TV at home 怎么变过去式