should explain
Regular verb: explain - explained- explained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should explain
you should explain
she should explain
we should explain
you should explain
they should explain 	I should be explaining
you should be explaining
she should be explaining
we should be explaining
you should be explaining
they should be explaining	I should have explained
you should have explained
she should have explained
we should have explained
you should have explained
they should have explained	I should have been explaining
you should have been explaining
she should have been explaining
we should have been explaining
you should have been explaining
they should have been explaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not explain
you should not explain
she should not explain
we should not explain
you should not explain
they should not explain 	I should not be explaining
you should not be explaining
she should not be explaining
we should not be explaining
you should not be explaining
they should not be explaining	I should not have explained
you should not have explained
she should not have explained
we should not have explained
you should not have explained
they should not have explained	I should not have been explaining
you should not have been explaining
she should not have been explaining
we should not have been explaining
you should not have been explaining
they should not have been explaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I explain?
should you explain?
should she explain?
should we explain?
should you explain?
should they explain? 	should I be explaining?
should you be explaining?
should she be explaining?
should we be explaining?
should you be explaining?
should they be explaining? 	should I have explained?
should you have explained?
should she have explained?
should we have explained?
should you have explained?
should they have explained? 	should I have been explaining?
should you have been explaining?
should she have been explaining?
should we have been explaining?
should you have been explaining?
should they have been explaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not explain?
should you not explain?
should she not explain?
should we not explain?
should you not explain?
should they not explain? 	should I not be explaining?
should you not be explaining?
should she not be explaining?
should we not be explaining?
should you not be explaining?
should they not be explaining? 	should I not have explained?
should you not have explained?
should she not have explained?
should we not have explained?
should you not have explained?
should they not have explained? 	should I not have been explaining?
should you not have been explaining?
should she not have been explaining?
should we not have been explaining?
should you not have been explaining?
should they not have been explaining?