If you can do something as bonus action could you choose to do it on a regular action?

@JeremyECrawford if you can do something as bonus action (healing word or give inspiration) could you choose to do it on a regular action?

— Ben Miller (@vmFoo) December 20, 2016

Can a bonus action be used as an action or vice versa? See the Sage Advice Compendium for the answer: https://t.co/WWVq6Y8bNj #DnD https://t.co/0lOXPCMJWW

— Jeremy Crawford (@JeremyECrawford) December 21, 2016