could munch
Regular verb: munch - munched- munched

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't munch
you couldn't munch
he couldn't munch
we couldn't munch
you couldn't munch
they couldn't munch 	I couldn't be munching
you couldn't be munching
he couldn't be munching
we couldn't be munching
you couldn't be munching
they couldn't be munching	I couldn't have munched
you couldn't have munched
he couldn't have munched
we couldn't have munched
you couldn't have munched
they couldn't have munched	I couldn't have been munching
you couldn't have been munching
he couldn't have been munching
we couldn't have been munching
you couldn't have been munching
they couldn't have been munching	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I munch?
couldn't you munch?
couldn't he munch?
couldn't we munch?
couldn't you munch?
couldn't they munch? 	couldn't I be munching?
couldn't you be munching?
couldn't he be munching?
couldn't we be munching?
couldn't you be munching?
couldn't they be munching? 	couldn't I have munched?
couldn't you have munched?
couldn't he have munched?
couldn't we have munched?
couldn't you have munched?
couldn't they have munched? 	couldn't I have been munching?
couldn't you have been munching?
couldn't he have been munching?
couldn't we have been munching?
couldn't you have been munching?
couldn't they have been munching?