shall precertify
Regular verb: precertify - precertified- precertified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll precertify
you'll precertify
she'll precertify
we'll precertify
you'll precertify
they'll precertify 	I'll be precertifying
you'll be precertifying
she'll be precertifying
we'll be precertifying
you'll be precertifying
they'll be precertifying	I'll have precertified
you'll have precertified
she'll have precertified
we'll have precertified
you'll have precertified
they'll have precertified	I'll have been precertifying
you'll have been precertifying
she'll have been precertifying
we'll have been precertifying
you'll have been precertifying
they'll have been precertifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't precertify
you shan't precertify
she shan't precertify
we shan't precertify
you shan't precertify
they shan't precertify 	I shan't be precertifying
you shan't be precertifying
she shan't be precertifying
we shan't be precertifying
you shan't be precertifying
they shan't be precertifying	I shan't have precertified
you shan't have precertified
she shan't have precertified
we shan't have precertified
you shan't have precertified
they shan't have precertified	I shan't have been precertifying
you shan't have been precertifying
she shan't have been precertifying
we shan't have been precertifying
you shan't have been precertifying
they shan't have been precertifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I precertify?
shall you precertify?
shall she precertify?
shall we precertify?
shall you precertify?
shall they precertify? 	shall I be precertifying?
shall you be precertifying?
shall she be precertifying?
shall we be precertifying?
shall you be precertifying?
shall they be precertifying? 	shall I have precertified?
shall you have precertified?
shall she have precertified?
shall we have precertified?
shall you have precertified?
shall they have precertified? 	shall I have been precertifying?
shall you have been precertifying?
shall she have been precertifying?
shall we have been precertifying?
shall you have been precertifying?
shall they have been precertifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I precertify?
shan't you precertify?
shan't she precertify?
shan't we precertify?
shan't you precertify?
shan't they precertify? 	shan't I be precertifying?
shan't you be precertifying?
shan't she be precertifying?
shan't we be precertifying?
shan't you be precertifying?
shan't they be precertifying? 	shan't I have precertified?
shan't you have precertified?
shan't she have precertified?
shan't we have precertified?
shan't you have precertified?
shan't they have precertified? 	shan't I have been precertifying?
shan't you have been precertifying?
shan't she have been precertifying?
shan't we have been precertifying?
shan't you have been precertifying?
shan't they have been precertifying?