I need to borrow some money.（改为否定句）.

I don't need (to) borrow any money.You should stay at home and look after your sick father.（改为否定句）。You shouldn't stay at home or look after your sick father.老师祝你学习进步！望采纳，多谢^_^不不不，老师我问错了。对不起啊。You have to do the shopping.（改为否定句）、You don't have to do the shooping.老师祝你学习进步！望采纳，多谢^_^