No one should miss the opportunity, —Tag Question?

The boys were saving money, weren't they?

Training and development

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

We should never neglect them, should we?

We should never forget them, should we?

One cannot deny this proposal, can he/she?

So, we all should be optimistic about life, shouldn’t we?

So, one can have peace and happiness in a nuclear family, can’t they/can’t one?

One need not think of others, need they/need one?

Every student should be sincere to shine in life, shouldn’t they?