English verb conjugation
COULD HOUSEBREAK

Irregular verb: housebreak - housebroke - housebroken

Affirmation

Simple form	V-ing form
I could housebreak you could housebreak he could housebreak we could housebreak you could housebreak they could housebreak	I could be housebreaking you could be housebreaking he could be housebreaking we could be housebreaking you could be housebreaking they could be housebreaking
Perfect	V-ing perfect
I could have housebroken you could have housebroken he could have housebroken we could have housebroken you could have housebroken they could have housebroken	I could have been housebreaking you could have been housebreaking he could have been housebreaking we could have been housebreaking you could have been housebreaking they could have been housebreaking

Negation

Simple form	V-ing form
I couldn't housebreak you couldn't housebreak he couldn't housebreak we couldn't housebreak you couldn't housebreak they couldn't housebreak	I couldn't be housebreaking you couldn't be housebreaking he couldn't be housebreaking we couldn't be housebreaking you couldn't be housebreaking they couldn't be housebreaking
Perfect	V-ing perfect
I couldn't have housebroken you couldn't have housebroken he couldn't have housebroken we couldn't have housebroken you couldn't have housebroken they couldn't have housebroken	I couldn't have been housebreaking you couldn't have been housebreaking he couldn't have been housebreaking we couldn't have been housebreaking you couldn't have been housebreaking they couldn't have been housebreaking

Interrogative form

Simple form	V-ing form
could I housebreak? could you housebreak? could he housebreak? could we housebreak? could you housebreak? could they housebreak?	could I be housebreaking? could you be housebreaking? could he be housebreaking? could we be housebreaking? could you be housebreaking? could they be housebreaking?
Perfect	V-ing perfect
could I have housebroken? could you have housebroken? could he have housebroken? could we have housebroken? could you have housebroken? could they have housebroken?	could I have been housebreaking? could you have been housebreaking? could he have been housebreaking? could we have been housebreaking? could you have been housebreaking? could they have been housebreaking?

Interro-negative form

Simple form	V-ing form
couldn't I housebreak? couldn't you housebreak? couldn't he housebreak? couldn't we housebreak? couldn't you housebreak? couldn't they housebreak?	couldn't I be housebreaking? couldn't you be housebreaking? couldn't he be housebreaking? couldn't we be housebreaking? couldn't you be housebreaking? couldn't they be housebreaking?
Perfect	V-ing perfect
couldn't I have housebroken? couldn't you have housebroken? couldn't he have housebroken? couldn't we have housebroken? couldn't you have housebroken? couldn't they have housebroken?	couldn't I have been housebreaking? couldn't you have been housebreaking? couldn't he have been housebreaking? couldn't we have been housebreaking? couldn't you have been housebreaking? couldn't they have been housebreaking?