English verb conjugation
COULD MUNCH

Regular verb: munch - munched - munched

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?