ought to heat
Regular verb: heat - heated- heated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to heat
you ought to heat
she ought to heat
we ought to heat
you ought to heat
they ought to heat 	I ought to be heating
you ought to be heating
she ought to be heating
we ought to be heating
you ought to be heating
they ought to be heating	I ought to have heated
you ought to have heated
she ought to have heated
we ought to have heated
you ought to have heated
they ought to have heated	I ought to have been heating
you ought to have been heating
she ought to have been heating
we ought to have been heating
you ought to have been heating
they ought to have been heating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to heat
you ought not to heat
she ought not to heat
we ought not to heat
you ought not to heat
they ought not to heat 	I ought not to heating
you ought not to heating
she ought not to heating
we ought not to heating
you ought not to heating
they ought not to heating	I ought not to have heated
you ought not to have heated
she ought not to have heated
we ought not to have heated
you ought not to have heated
they ought not to have heated	I ought not to have been heating
you ought not to have been heating
she ought not to have been heating
we ought not to have been heating
you ought not to have been heating
they ought not to have been heating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I heat?
ought to you heat?
ought to she heat?
ought to we heat?
ought to you heat?
ought to they heat? 	ought to I be heating?
ought to you be heating?
ought to she be heating?
ought to we be heating?
ought to you be heating?
ought to they be heating? 	ought to I have heated?
ought to you have heated?
ought to she have heated?
ought to we have heated?
ought to you have heated?
ought to they have heated? 	ought to I have been heating?
ought to you have been heating?
ought to she have been heating?
ought to we have been heating?
ought to you have been heating?
ought to they have been heating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to heat?
ought you not to heat?
ought she not to heat?
ought we not to heat?
ought you not to heat?
ought they not to heat? 	ought I not to be heating?
ought you not to be heating?
ought she not to be heating?
ought we not to be heating?
ought you not to be heating?
ought they not to be heating? 	ought I not to have heated?
ought you not to have heated?
ought she not to have heated?
ought we not to have heated?
ought you not to have heated?
ought they not to have heated? 	ought I not to have been heating?
ought you not to have been heating?
ought she not to have been heating?
ought we not to have been heating?
ought you not to have been heating?
ought they not to have been heating?