English verb conjugation
COULD BURY

Regular verb: bury - buried - buried

Affirmation

Simple form	V-ing form
I could bury you could bury she could bury we could bury you could bury they could bury	I could be burying you could be burying she 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 she 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 she 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 she 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 she 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 she 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 she 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 she bury? could we bury? could you bury? could they bury?	could I be burying? could you be burying? could she 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 she 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 she 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 she 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 she 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 she 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 she have been burying? couldn't we have been burying? couldn't you have been burying? couldn't they have been burying?