shall authenticate
Regular verb: authenticate - authenticated- authenticated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll authenticate
you'll authenticate
she'll authenticate
we'll authenticate
you'll authenticate
they'll authenticate 	I'll be authenticating
you'll be authenticating
she'll be authenticating
we'll be authenticating
you'll be authenticating
they'll be authenticating	I'll have authenticated
you'll have authenticated
she'll have authenticated
we'll have authenticated
you'll have authenticated
they'll have authenticated	I'll have been authenticating
you'll have been authenticating
she'll have been authenticating
we'll have been authenticating
you'll have been authenticating
they'll have been authenticating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't authenticate
you shan't authenticate
she shan't authenticate
we shan't authenticate
you shan't authenticate
they shan't authenticate 	I shan't be authenticating
you shan't be authenticating
she shan't be authenticating
we shan't be authenticating
you shan't be authenticating
they shan't be authenticating	I shan't have authenticated
you shan't have authenticated
she shan't have authenticated
we shan't have authenticated
you shan't have authenticated
they shan't have authenticated	I shan't have been authenticating
you shan't have been authenticating
she shan't have been authenticating
we shan't have been authenticating
you shan't have been authenticating
they shan't have been authenticating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I authenticate?
shall you authenticate?
shall she authenticate?
shall we authenticate?
shall you authenticate?
shall they authenticate? 	shall I be authenticating?
shall you be authenticating?
shall she be authenticating?
shall we be authenticating?
shall you be authenticating?
shall they be authenticating? 	shall I have authenticated?
shall you have authenticated?
shall she have authenticated?
shall we have authenticated?
shall you have authenticated?
shall they have authenticated? 	shall I have been authenticating?
shall you have been authenticating?
shall she have been authenticating?
shall we have been authenticating?
shall you have been authenticating?
shall they have been authenticating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I authenticate?
shan't you authenticate?
shan't she authenticate?
shan't we authenticate?
shan't you authenticate?
shan't they authenticate? 	shan't I be authenticating?
shan't you be authenticating?
shan't she be authenticating?
shan't we be authenticating?
shan't you be authenticating?
shan't they be authenticating? 	shan't I have authenticated?
shan't you have authenticated?
shan't she have authenticated?
shan't we have authenticated?
shan't you have authenticated?
shan't they have authenticated? 	shan't I have been authenticating?
shan't you have been authenticating?
shan't she have been authenticating?
shan't we have been authenticating?
shan't you have been authenticating?
shan't they have been authenticating?