Have to + Verb
Use have
to to express necessity. Use don't / doesn't have to to
express lack of necessity.
For the present or future
Affirmative
I have to go to the
dentist today.
I have to do the laundry
tomorrow.
He/She has to clean the
kitchen.
For the Past
I had to go to the
dentist yesterday.
For the Present or Future
Negative
I don't have to go to the
dentist today.
I don't have to do the
laundry tomorrow.
He/She doesn't have to clean the
kitchen.
For the Past
I didn't have to go to
the dentist yesterday.
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