English verb conjugation
COULD CRATE

Regular verb: crate - crated - crated

Affirmation

Simple form	V-ing form
I could crate you could crate he could crate we could crate you could crate they could crate	I could be crating you could be crating he could be crating we could be crating you could be crating they could be crating
Perfect	V-ing perfect
I could have crated you could have crated he could have crated we could have crated you could have crated they could have crated	I could have been crating you could have been crating he could have been crating we could have been crating you could have been crating they could have been crating

Negation

Simple form	V-ing form
I couldn't crate you couldn't crate he couldn't crate we couldn't crate you couldn't crate they couldn't crate	I couldn't be crating you couldn't be crating he couldn't be crating we couldn't be crating you couldn't be crating they couldn't be crating
Perfect	V-ing perfect
I couldn't have crated you couldn't have crated he couldn't have crated we couldn't have crated you couldn't have crated they couldn't have crated	I couldn't have been crating you couldn't have been crating he couldn't have been crating we couldn't have been crating you couldn't have been crating they couldn't have been crating

Interrogative form

Simple form	V-ing form
could I crate? could you crate? could he crate? could we crate? could you crate? could they crate?	could I be crating? could you be crating? could he be crating? could we be crating? could you be crating? could they be crating?
Perfect	V-ing perfect
could I have crated? could you have crated? could he have crated? could we have crated? could you have crated? could they have crated?	could I have been crating? could you have been crating? could he have been crating? could we have been crating? could you have been crating? could they have been crating?

Interro-negative form

Simple form	V-ing form
couldn't I crate? couldn't you crate? couldn't he crate? couldn't we crate? couldn't you crate? couldn't they crate?	couldn't I be crating? couldn't you be crating? couldn't he be crating? couldn't we be crating? couldn't you be crating? couldn't they be crating?
Perfect	V-ing perfect
couldn't I have crated? couldn't you have crated? couldn't he have crated? couldn't we have crated? couldn't you have crated? couldn't they have crated?	couldn't I have been crating? couldn't you have been crating? couldn't he have been crating? couldn't we have been crating? couldn't you have been crating? couldn't they have been crating?