I was able to read when I was four years old.改为一般疑问句

I was able to read when I was four years old.改为一般疑问句
I was able to read when I was four years old.改为一般疑问句

I was able to read when I was four years old.改为一般疑问句
Were you able to read when you were four years old?

Were you able to read when you was four years old？

Were you able to read when you were four years old?

Were I able to read when I was four years old?
肯定句变成疑问句就是把谓语部分提前到主语前面

Were you able to read when you were four years old?