我已经疯了英文

I am crazy now.

i am crazy

Perhaps I might have been crazy.

I've gone crazy.

I wilk be crazy.

一个句子没有唯一的译法，没有最好只有更好。Perhaps I have long since been（gone) mad (crazy). 早就：long since

I'm going to be mad

I was mad

I am mad./I am crazy./I seem to have brain disorder(脑功能紊乱)不过很少有人会说自己疯了......-_-||

朋友 我的是正解 绝对是英语 他是中式英语相信我 Perhaps I have gone insane long ago 朋友 给你个地址 你可以去看看 在线翻译

I have been crazy

i am mading.大概是这样的。