Obligations and no obligations

You ____________ do your homework. ( Obligation in present)

• mustn´t

• have to

• didn´t have to

Mom __________ smoke in the hospital. ( prohibition)

• had to

• mustn´t

• has to

You _____________ work every day. ( no obligation in present)

• don´t have to

• doesn´t have to

• didn´t have to

You ________ take online classes. ( no obligations in past)

• has to

• don´t have to

• didn´t have to

She _________ use the internet for online classes. ( obligation in present)

• have to

• has to

• had to

I _______ tidy up my room. ( rules)

• must

• had to

• didn´thave to

They _______ clean the house. It´s a mess. ( rules)

• didn´t have to

• have to

• must

We _________ copy in the English exam. ( Prohibition)

• had to

• mustn´t

• has to

I ________ eat porridges. ( obligations in past)

• had to

• doesn´t have to

• must

She _________ go to bed early. ( Obligation in present)

• had to

• has to

• have to