Is tom all right now?变为肯定句 Are there any watches on the bed?

Is tom all right now?变为肯定句 Are there any watches on the bed?变为肯定句
can you give me a pen?变为祈使句
these knifes are sharp.变为一般疑问句
this black car is my brother's.针对划线部分提问my brother's是划线部分
I want the glasses on the shelf.针对划线部分提问on the shelf是划线部分
these shops are open.they are not shut.变成选择疑问句