Eng: Having to

只能

Can only, Could only, Had to, Has, Have to, Having to

必須

Had to, Had to be, Has to, Have to, Have to be, Having to, Must, Obligatory, To have to

需要

Had to, Has to, Have to, Having to, Need, Needed, Needing, Needs, Require, Required, Requires, Requiring, To have to, To need, To require