1 Answer. The past tense of behave is behaved.

What tense in will be?

The will + be + present participle construction always indicates the future continuous tense. Michael will be running a marathon this Saturday.

Will will be made tense?

The FUTURE PERFECT TENSE indicates that an action will have been completed (finished or "perfected") at some point in the future. This tense is formed with "will" plus "have" plus the past participle of the verb (which can be either regular or irregular in form): "I will have spent all my money by this time next year.