should author
Regular verb: author - authored- authored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should author
you should author
she should author
we should author
you should author
they should author 	I should be authoring
you should be authoring
she should be authoring
we should be authoring
you should be authoring
they should be authoring	I should have authored
you should have authored
she should have authored
we should have authored
you should have authored
they should have authored	I should have been authoring
you should have been authoring
she should have been authoring
we should have been authoring
you should have been authoring
they should have been authoring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not author
you should not author
she should not author
we should not author
you should not author
they should not author 	I should not be authoring
you should not be authoring
she should not be authoring
we should not be authoring
you should not be authoring
they should not be authoring	I should not have authored
you should not have authored
she should not have authored
we should not have authored
you should not have authored
they should not have authored	I should not have been authoring
you should not have been authoring
she should not have been authoring
we should not have been authoring
you should not have been authoring
they should not have been authoring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I author?
should you author?
should she author?
should we author?
should you author?
should they author? 	should I be authoring?
should you be authoring?
should she be authoring?
should we be authoring?
should you be authoring?
should they be authoring? 	should I have authored?
should you have authored?
should she have authored?
should we have authored?
should you have authored?
should they have authored? 	should I have been authoring?
should you have been authoring?
should she have been authoring?
should we have been authoring?
should you have been authoring?
should they have been authoring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not author?
should you not author?
should she not author?
should we not author?
should you not author?
should they not author? 	should I not be authoring?
should you not be authoring?
should she not be authoring?
should we not be authoring?
should you not be authoring?
should they not be authoring? 	should I not have authored?
should you not have authored?
should she not have authored?
should we not have authored?
should you not have authored?
should they not have authored? 	should I not have been authoring?
should you not have been authoring?
should she not have been authoring?
should we not have been authoring?
should you not have been authoring?
should they not have been authoring?