The prime minister will meet the employees this evening.

The employees will be met by the prime minister this evening

The employees will be meet by the prime minister this evening

The employees will were met by the prime minister this evening

The employees can be met by the prime minister this evening

All of the above

The prime minister will meet the employees this evening is a sentence of Future Indefinite Tense.

Active Voice Formula: Subject + Will/Shall + Verb (Ist form) + Object + (.)

Passive Voice Formula: Convert Object to Subject + Will/Shall + Be + Verb (3rd form) + By + Convert Subject to Object + Remaining + (.)