ought to munch
Regular verb: munch - munched- munched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to munch
you ought to munch
he ought to munch
we ought to munch
you ought to munch
they ought to munch 	I ought to be munching
you ought to be munching
he ought to be munching
we ought to be munching
you ought to be munching
they ought to be munching	I ought to have munched
you ought to have munched
he ought to have munched
we ought to have munched
you ought to have munched
they ought to have munched	I ought to have been munching
you ought to have been munching
he ought to have been munching
we ought to have been munching
you ought to have been munching
they ought to have been munching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to munch
you ought not to munch
he ought not to munch
we ought not to munch
you ought not to munch
they ought not to munch 	I ought not to munching
you ought not to munching
he ought not to munching
we ought not to munching
you ought not to munching
they ought not to munching	I ought not to have munched
you ought not to have munched
he ought not to have munched
we ought not to have munched
you ought not to have munched
they ought not to have munched	I ought not to have been munching
you ought not to have been munching
he ought not to have been munching
we ought not to have been munching
you ought not to have been munching
they ought not to have been munching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I munch?
ought to you munch?
ought to he munch?
ought to we munch?
ought to you munch?
ought to they munch? 	ought to I be munching?
ought to you be munching?
ought to he be munching?
ought to we be munching?
ought to you be munching?
ought to they be munching? 	ought to I have munched?
ought to you have munched?
ought to he have munched?
ought to we have munched?
ought to you have munched?
ought to they have munched? 	ought to I have been munching?
ought to you have been munching?
ought to he have been munching?
ought to we have been munching?
ought to you have been munching?
ought to they have been munching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to munch?
ought you not to munch?
ought he not to munch?
ought we not to munch?
ought you not to munch?
ought they not to munch? 	ought I not to be munching?
ought you not to be munching?
ought he not to be munching?
ought we not to be munching?
ought you not to be munching?
ought they not to be munching? 	ought I not to have munched?
ought you not to have munched?
ought he not to have munched?
ought we not to have munched?
ought you not to have munched?
ought they not to have munched? 	ought I not to have been munching?
ought you not to have been munching?
ought he not to have been munching?
ought we not to have been munching?
ought you not to have been munching?
ought they not to have been munching?