I'll be witnessing you'll be witnessing he'll be witnessing we'll be witnessing you'll be witnessing they'll be witnessing
Perfect
I'll have witnessed you'll have witnessed he'll have witnessed we'll have witnessed you'll have witnessed they'll have witnessed
V-ing perfect
I'll have been witnessing you'll have been witnessing he'll have been witnessing we'll have been witnessing you'll have been witnessing they'll have been witnessing
Negation
Simple form
I won't witness you won't witness he won't witness we won't witness you won't witness they won't witness
V-ing form
I won't be witnessing you won't be witnessing he won't be witnessing we won't be witnessing you won't be witnessing they won't be witnessing
Perfect
I won't have witnessed you won't have witnessed he won't have witnessed we won't have witnessed you won't have witnessed they won't have witnessed
V-ing perfect
I won't have been witnessing you won't have been witnessing he won't have been witnessing we won't have been witnessing you won't have been witnessing they won't have been witnessing
Interrogative form
Simple form
will I witness? will you witness? will he witness? will we witness? will you witness? will they witness?
V-ing form
will I be witnessing? will you be witnessing? will he be witnessing? will we be witnessing? will you be witnessing? will they be witnessing?
Perfect
will I have witnessed? will you have witnessed? will he have witnessed? will we have witnessed? will you have witnessed? will they have witnessed?
V-ing perfect
will I have been witnessing? will you have been witnessing? will he have been witnessing? will we have been witnessing? will you have been witnessing? will they have been witnessing?
Interro-negative form
Simple form
won't I witness? won't you witness? won't he witness? won't we witness? won't you witness? won't they witness?
V-ing form
won't I be witnessing? won't you be witnessing? won't he be witnessing? won't we be witnessing? won't you be witnessing? won't they be witnessing?
Perfect
won't I have witnessed? won't you have witnessed? won't he have witnessed? won't we have witnessed? won't you have witnessed? won't they have witnessed?
V-ing perfect
won't I have been witnessing? won't you have been witnessing? won't he have been witnessing? won't we have been witnessing? won't you have been witnessing? won't they have been witnessing?