Will Be Phoning Tense?

You/We/They will/shall phone. ... You/We/They will/shall have phoned. Future Perfect Continuous Tense. He/She/It will/shall have been phoning.

Will be used in tense?

The most basic and common form used to express the future is 'will'. The structure of 'will' is easy because it is the same for all subjects and you don't need to change anything about the verb. We'll be at the hotel until 8pm.

Is ask past tense?

past tense of ask is asked.