Have to worksheet
Obligation and the freedom not to. 4 exercises + answer key
The rule
have to / has to = external obligation. don't/doesn't have to = no obligation (optional). mustn't = prohibition.
4 exercises · 40 questions · answer key on the last page
What is on the sheet
Exercise 1
EasyChoose have to / has to / don't have to / doesn't have to.
I ___ wear a uniform at work. It's compulsory.
Exercise 2
MediumWrite the correct form of have to (positive or negative).
She ___ (obligation) take the medicine twice a day.
Exercise 3
HardChoose the correct modal: have to / must / don't have to / mustn't.
You ___ smoke in the hospital. It's strictly forbidden.
Exercise 4
HarderWrite: have to / has to / don't have to / doesn't have to / must / mustn't.
You ___ feed the cat. I already did it. (no obligation)
Using this in class
Print as many copies as you need. There is a name and date line at the top, the exercises run over the first pages, and the answer key sits on its own page at the end, so you can keep it or hand it out. No attribution required, no account needed.
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