English verb conjugation
COULD BURY

Regular verb: bury - buried - buried

Affirmation

Simple form	V-ing form
I could bury you could bury he could bury we could bury you could bury they could bury	I could be burying you could be burying he could be burying we could be burying you could be burying they could be burying
Perfect	V-ing perfect
I could have buried you could have buried he could have buried we could have buried you could have buried they could have buried	I could have been burying you could have been burying he could have been burying we could have been burying you could have been burying they could have been burying

Negation

Simple form	V-ing form
I couldn't bury you couldn't bury he couldn't bury we couldn't bury you couldn't bury they couldn't bury	I couldn't be burying you couldn't be burying he couldn't be burying we couldn't be burying you couldn't be burying they couldn't be burying
Perfect	V-ing perfect
I couldn't have buried you couldn't have buried he couldn't have buried we couldn't have buried you couldn't have buried they couldn't have buried	I couldn't have been burying you couldn't have been burying he couldn't have been burying we couldn't have been burying you couldn't have been burying they couldn't have been burying

Interrogative form

Simple form	V-ing form
could I bury? could you bury? could he bury? could we bury? could you bury? could they bury?	could I be burying? could you be burying? could he be burying? could we be burying? could you be burying? could they be burying?
Perfect	V-ing perfect
could I have buried? could you have buried? could he have buried? could we have buried? could you have buried? could they have buried?	could I have been burying? could you have been burying? could he have been burying? could we have been burying? could you have been burying? could they have been burying?

Interro-negative form

Simple form	V-ing form
couldn't I bury? couldn't you bury? couldn't he bury? couldn't we bury? couldn't you bury? couldn't they bury?	couldn't I be burying? couldn't you be burying? couldn't he be burying? couldn't we be burying? couldn't you be burying? couldn't they be burying?
Perfect	V-ing perfect
couldn't I have buried? couldn't you have buried? couldn't he have buried? couldn't we have buried? couldn't you have buried? couldn't they have buried?	couldn't I have been burying? couldn't you have been burying? couldn't he have been burying? couldn't we have been burying? couldn't you have been burying? couldn't they have been burying?