Must

Before you can use the machine, you must read the instruction manual.

To access the website, you must create an account.

The applicant must have at least five years of experience in a relevant field.

You must study hard, or you will fail the test.

You must be quiet in the library, or you will disturb others.

You must pay the bill, or you can't leave the restaurant.

You must finish your vegetables, or you can't have dessert.

You must call your parents to let them know you're safe.

She must clean her room before going out to play.

He must quit smoking for the sake of his health.

You must fill out the application form completely to be considered for the job.

We must save money if we want to go on vacation.