ought to operate
Regular verb: operate - operated- operated

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

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

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

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