You surely fail if you fail to plan, —Tag Question?

The boys were saving money, weren't they?

Let’s have a walk outside the farm, shall we?

I am in the habit of walking every morning, aren’t I?

Morning entertains us with fresh air, doesn’t it?

A good plan scarcely lets you fail, does it?

Great people could do nothing without a plan of action, could they?

So, plan before you proceed, won’t you?

You need to see a doctor, don’t you?

You had better drink cold water, hadn’t you?

Thank you very much, don’t I?