До 17: ! выразите долженствование с порщью глагола have to, must, be, should. you..bite your nails. marry,you our dog for a walk. stay at home yesterday because of high temperature. you..stop smoking. them the truth. finish the reconstruction according to the signed contract. the door at night. meet last friday to discuss important questions. the law. the bus didnt come on time so wait long at the bus stop.

Have to, must, be, should.

You.SHOULDN'T.bite your nails.
Marry,you will.HAVE TO..take our dog for a walk.
He.HAD..to stay at home yesterday because of high temperature.
You.SHOULD.stop smoking.
She..MUST.tell them the truth.
We..HAVE.to finish the reconstruction according to the signed contract.
You..SHOULD.lock the door at night.
They..HAD.to meet last Friday to discuss important questions.
Everyone..MUST.obey the law.
The bus didnt come on time so we.HAD..to wait long at the bus stop.