ought to curve
Regular verb: curve - curved- curved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to curve
you ought to curve
he ought to curve
we ought to curve
you ought to curve
they ought to curve 	I ought to be curving
you ought to be curving
he ought to be curving
we ought to be curving
you ought to be curving
they ought to be curving	I ought to have curved
you ought to have curved
he ought to have curved
we ought to have curved
you ought to have curved
they ought to have curved	I ought to have been curving
you ought to have been curving
he ought to have been curving
we ought to have been curving
you ought to have been curving
they ought to have been curving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to curve
you ought not to curve
he ought not to curve
we ought not to curve
you ought not to curve
they ought not to curve 	I ought not to curving
you ought not to curving
he ought not to curving
we ought not to curving
you ought not to curving
they ought not to curving	I ought not to have curved
you ought not to have curved
he ought not to have curved
we ought not to have curved
you ought not to have curved
they ought not to have curved	I ought not to have been curving
you ought not to have been curving
he ought not to have been curving
we ought not to have been curving
you ought not to have been curving
they ought not to have been curving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I curve?
ought to you curve?
ought to he curve?
ought to we curve?
ought to you curve?
ought to they curve? 	ought to I be curving?
ought to you be curving?
ought to he be curving?
ought to we be curving?
ought to you be curving?
ought to they be curving? 	ought to I have curved?
ought to you have curved?
ought to he have curved?
ought to we have curved?
ought to you have curved?
ought to they have curved? 	ought to I have been curving?
ought to you have been curving?
ought to he have been curving?
ought to we have been curving?
ought to you have been curving?
ought to they have been curving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to curve?
ought you not to curve?
ought he not to curve?
ought we not to curve?
ought you not to curve?
ought they not to curve? 	ought I not to be curving?
ought you not to be curving?
ought he not to be curving?
ought we not to be curving?
ought you not to be curving?
ought they not to be curving? 	ought I not to have curved?
ought you not to have curved?
ought he not to have curved?
ought we not to have curved?
ought you not to have curved?
ought they not to have curved? 	ought I not to have been curving?
ought you not to have been curving?
ought he not to have been curving?
ought we not to have been curving?
ought you not to have been curving?
ought they not to have been curving?