should operate
Regular verb: operate - operated- operated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should operate
you should operate
she should operate
we should operate
you should operate
they should operate 	I should be operating
you should be operating
she should be operating
we should be operating
you should be operating
they should be operating	I should have operated
you should have operated
she should have operated
we should have operated
you should have operated
they should have operated	I should have been operating
you should have been operating
she should have been operating
we should have been operating
you should have been operating
they should have been operating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not operate
you should not operate
she should not operate
we should not operate
you should not operate
they should not operate 	I should not be operating
you should not be operating
she should not be operating
we should not be operating
you should not be operating
they should not be operating	I should not have operated
you should not have operated
she should not have operated
we should not have operated
you should not have operated
they should not have operated	I should not have been operating
you should not have been operating
she should not have been operating
we should not have been operating
you should not have been operating
they should not have been operating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I operate?
should you operate?
should she operate?
should we operate?
should you operate?
should they operate? 	should I be operating?
should you be operating?
should she be operating?
should we be operating?
should you be operating?
should they be operating? 	should I have operated?
should you have operated?
should she have operated?
should we have operated?
should you have operated?
should they have operated? 	should I have been operating?
should you have been operating?
should she have been operating?
should we have been operating?
should you have been operating?
should they have been operating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not operate?
should you not operate?
should she not operate?
should we not operate?
should you not operate?
should they not operate? 	should I not be operating?
should you not be operating?
should she not be operating?
should we not be operating?
should you not be operating?
should they not be operating? 	should I not have operated?
should you not have operated?
should she not have operated?
should we not have operated?
should you not have operated?
should they not have operated? 	should I not have been operating?
should you not have been operating?
should she not have been operating?
should we not have been operating?
should you not have been operating?
should they not have been operating?