should use
Regular verb: use - used- used

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should use
you should use
she should use
we should use
you should use
they should use 	I should be using
you should be using
she should be using
we should be using
you should be using
they should be using	I should have used
you should have used
she should have used
we should have used
you should have used
they should have used	I should have been using
you should have been using
she should have been using
we should have been using
you should have been using
they should have been using	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not use
you should not use
she should not use
we should not use
you should not use
they should not use 	I should not be using
you should not be using
she should not be using
we should not be using
you should not be using
they should not be using	I should not have used
you should not have used
she should not have used
we should not have used
you should not have used
they should not have used	I should not have been using
you should not have been using
she should not have been using
we should not have been using
you should not have been using
they should not have been using	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I use?
should you use?
should she use?
should we use?
should you use?
should they use? 	should I be using?
should you be using?
should she be using?
should we be using?
should you be using?
should they be using? 	should I have used?
should you have used?
should she have used?
should we have used?
should you have used?
should they have used? 	should I have been using?
should you have been using?
should she have been using?
should we have been using?
should you have been using?
should they have been using? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not use?
should you not use?
should she not use?
should we not use?
should you not use?
should they not use? 	should I not be using?
should you not be using?
should she not be using?
should we not be using?
should you not be using?
should they not be using? 	should I not have used?
should you not have used?
should she not have used?
should we not have used?
should you not have used?
should they not have used? 	should I not have been using?
should you not have been using?
should she not have been using?
should we not have been using?
should you not have been using?
should they not have been using?