swears

she swears by this brand of skincare.

he swears he will never lie again.

they swears to protect the environment.

my friend swears he saw a ghost last night.

she swears she heard the news first.

he swears he can finish the project by friday.

they swears allegiance to the country.

she swears to tell the truth in court.

he swears he won't forget your birthday.

she swears off junk food for a healthier lifestyle.