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
she 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
she 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
she 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
she 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 ought not to solve
you ought not to solve
she ought not to solve
we ought not to solve
you ought not to solve
they ought not to solve 	I ought not to solving
you ought not to solving
she ought not to solving
we ought not to solving
you ought not to solving
they ought not to solving	I ought not to have solved
you ought not to have solved
she ought not to have solved
we ought not to have solved
you ought not to have solved
they ought not to have solved	I ought not to have been solving
you ought not to have been solving
she ought not to have been solving
we ought not to have been solving
you ought not to have been solving
they ought not 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 she 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 she 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 she 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 she 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 	
ought I not to solve?
ought you not to solve?
ought she not to solve?
ought we not to solve?
ought you not to solve?
ought they not to solve? 	ought I not to be solving?
ought you not to be solving?
ought she not to be solving?
ought we not to be solving?
ought you not to be solving?
ought they not to be solving? 	ought I not to have solved?
ought you not to have solved?
ought she not to have solved?
ought we not to have solved?
ought you not to have solved?
ought they not to have solved? 	ought I not to have been solving?
ought you not to have been solving?
ought she not to have been solving?
ought we not to have been solving?
ought you not to have been solving?
ought they not to have been solving?