ought to solve
Regular verb: solve - solved- solved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to solve
you ought to solve
he ought to solve
we ought to solve
you ought to solve
they ought to solve 	I ought to be solving
you ought to be solving
he ought to be solving
we ought to be solving
you ought to be solving
they ought to be solving	I ought to have solved
you ought to have solved
he ought to have solved
we ought to have solved
you ought to have solved
they ought to have solved	I ought to have been solving
you ought to have been solving
he ought to have been solving
we ought to have been solving
you ought to have been solving
they ought to have been solving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to solve
you oughtn't to solve
he oughtn't to solve
we oughtn't to solve
you oughtn't to solve
they oughtn't to solve 	I oughtn't to be solving
you oughtn't to be solving
he oughtn't to be solving
we oughtn't to be solving
you oughtn't to be solving
they oughtn't to be solving	I oughtn't to have solved
you oughtn't to have solved
he oughtn't to have solved
we oughtn't to have solved
you oughtn't to have solved
they oughtn't to have solved	I oughtn't to have been solving
you oughtn't to have been solving
he oughtn't to have been solving
we oughtn't to have been solving
you oughtn't to have been solving
they oughtn't to have been solving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I solve?
ought to you solve?
ought to he solve?
ought to we solve?
ought to you solve?
ought to they solve? 	ought to I be solving?
ought to you be solving?
ought to he be solving?
ought to we be solving?
ought to you be solving?
ought to they be solving? 	ought to I have solved?
ought to you have solved?
ought to he have solved?
ought to we have solved?
ought to you have solved?
ought to they have solved? 	ought to I have been solving?
ought to you have been solving?
ought to he have been solving?
ought to we have been solving?
ought to you have been solving?
ought to they have been solving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to solve?
oughtn't you to solve?
oughtn't he to solve?
oughtn't we to solve?
oughtn't you to solve?
oughtn't they to solve? 	oughtn't I to be solving?
oughtn't you to be solving?
oughtn't he to be solving?
oughtn't we to be solving?
oughtn't you to be solving?
oughtn't they to be solving? 	oughtn't I to have solved?
oughtn't you to have solved?
oughtn't he to have solved?
oughtn't we to have solved?
oughtn't you to have solved?
oughtn't they to have solved? 	oughtn't I to have been solving?
oughtn't you to have been solving?
oughtn't he to have been solving?
oughtn't we to have been solving?
oughtn't you to have been solving?
oughtn't they to have been solving?