shall certify
Regular verb: certify - certified- certified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll certify
you'll certify
she'll certify
we'll certify
you'll certify
they'll certify 	I'll be certifying
you'll be certifying
she'll be certifying
we'll be certifying
you'll be certifying
they'll be certifying	I'll have certified
you'll have certified
she'll have certified
we'll have certified
you'll have certified
they'll have certified	I'll have been certifying
you'll have been certifying
she'll have been certifying
we'll have been certifying
you'll have been certifying
they'll have been certifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't certify
you shan't certify
she shan't certify
we shan't certify
you shan't certify
they shan't certify 	I shan't be certifying
you shan't be certifying
she shan't be certifying
we shan't be certifying
you shan't be certifying
they shan't be certifying	I shan't have certified
you shan't have certified
she shan't have certified
we shan't have certified
you shan't have certified
they shan't have certified	I shan't have been certifying
you shan't have been certifying
she shan't have been certifying
we shan't have been certifying
you shan't have been certifying
they shan't have been certifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I certify?
shall you certify?
shall she certify?
shall we certify?
shall you certify?
shall they certify? 	shall I be certifying?
shall you be certifying?
shall she be certifying?
shall we be certifying?
shall you be certifying?
shall they be certifying? 	shall I have certified?
shall you have certified?
shall she have certified?
shall we have certified?
shall you have certified?
shall they have certified? 	shall I have been certifying?
shall you have been certifying?
shall she have been certifying?
shall we have been certifying?
shall you have been certifying?
shall they have been certifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I certify?
shan't you certify?
shan't she certify?
shan't we certify?
shan't you certify?
shan't they certify? 	shan't I be certifying?
shan't you be certifying?
shan't she be certifying?
shan't we be certifying?
shan't you be certifying?
shan't they be certifying? 	shan't I have certified?
shan't you have certified?
shan't she have certified?
shan't we have certified?
shan't you have certified?
shan't they have certified? 	shan't I have been certifying?
shan't you have been certifying?
shan't she have been certifying?
shan't we have been certifying?
shan't you have been certifying?
shan't they have been certifying?