Hi bkmiller69,
Good question!
Like you mentioned, “have” is not a modal verb. It’s just a regular verb, and it shows possession.
For example:
I HAVE two sisters.
I HAVE a lot of homework today.
I HAVE a new car.
I HAVE three bottles of bleach.
Then things get tricky. “Have” + “to” is actually a modal verb. “Have to” doesn’t show possession. Instead, it means one must do something.
For example:
I HAVE TO call my two sisters.
I HAVE TO do a lot of homework today.
I HAVE TO wash my new car.
They HAVE TO clean the bathroom soon.
You can also see this pattern:
Have + noun = possession
Have to + verb = obligation, must do something
That’s why number 4 is not a correct answer, since it contains the modal verb “have to”.
I hope this helps!
Best,
Amy
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