Grammar question tags

• Do the exercise on question tags »

• Tom isn't selling his car,
• We don't need any more boxes,
• You haven't finished packing,
• This isn't going to be cheap,
• They're coming tomorrow,
• You've called the plumber,
• We can put some things in the car,
• Passing the exam is hard,
• The student's aren't preparing for the exam,
• Chris is going to help us,

• is he?
• do we?
• have you?
• is it?
• aren't they?
• haven't you?
• can't we?
• isn't it?
• are they?
• isn't he?