ought to patent
Regular verb: patent - patented- patented

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to patent
you ought to patent
she ought to patent
we ought to patent
you ought to patent
they ought to patent 	I ought to be patenting
you ought to be patenting
she ought to be patenting
we ought to be patenting
you ought to be patenting
they ought to be patenting	I ought to have patented
you ought to have patented
she ought to have patented
we ought to have patented
you ought to have patented
they ought to have patented	I ought to have been patenting
you ought to have been patenting
she ought to have been patenting
we ought to have been patenting
you ought to have been patenting
they ought to have been patenting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to patent
you ought not to patent
she ought not to patent
we ought not to patent
you ought not to patent
they ought not to patent 	I ought not to patenting
you ought not to patenting
she ought not to patenting
we ought not to patenting
you ought not to patenting
they ought not to patenting	I ought not to have patented
you ought not to have patented
she ought not to have patented
we ought not to have patented
you ought not to have patented
they ought not to have patented	I ought not to have been patenting
you ought not to have been patenting
she ought not to have been patenting
we ought not to have been patenting
you ought not to have been patenting
they ought not to have been patenting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I patent?
ought to you patent?
ought to she patent?
ought to we patent?
ought to you patent?
ought to they patent? 	ought to I be patenting?
ought to you be patenting?
ought to she be patenting?
ought to we be patenting?
ought to you be patenting?
ought to they be patenting? 	ought to I have patented?
ought to you have patented?
ought to she have patented?
ought to we have patented?
ought to you have patented?
ought to they have patented? 	ought to I have been patenting?
ought to you have been patenting?
ought to she have been patenting?
ought to we have been patenting?
ought to you have been patenting?
ought to they have been patenting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to patent?
ought you not to patent?
ought she not to patent?
ought we not to patent?
ought you not to patent?
ought they not to patent? 	ought I not to be patenting?
ought you not to be patenting?
ought she not to be patenting?
ought we not to be patenting?
ought you not to be patenting?
ought they not to be patenting? 	ought I not to have patented?
ought you not to have patented?
ought she not to have patented?
ought we not to have patented?
ought you not to have patented?
ought they not to have patented? 	ought I not to have been patenting?
ought you not to have been patenting?
ought she not to have been patenting?
ought we not to have been patenting?
ought you not to have been patenting?
ought they not to have been patenting?