worry
(verb)
worry + about + noun/pronoun
I worry about my mother’s health.
worry + over + noun
I worry over my mother’s health.
worry + for + noun
I worry for your safety.
worry + about + -ing form
I worry about passing the exam.
worry + that + clause
I worry that I won’t pass the exam.
it worries + noun/pronoun + that + clause
It worries me that he hasn’t called yet.