English verb conjugation
COULD CANVASS

Regular verb: canvass - canvassed - canvassed

Affirmation

Simple form	V-ing form
I could canvass you could canvass he could canvass we could canvass you could canvass they could canvass	I could be canvassing you could be canvassing he could be canvassing we could be canvassing you could be canvassing they could be canvassing
Perfect	V-ing perfect
I could have canvassed you could have canvassed he could have canvassed we could have canvassed you could have canvassed they could have canvassed	I could have been canvassing you could have been canvassing he could have been canvassing we could have been canvassing you could have been canvassing they could have been canvassing

Negation

Simple form	V-ing form
I couldn't canvass you couldn't canvass he couldn't canvass we couldn't canvass you couldn't canvass they couldn't canvass	I couldn't be canvassing you couldn't be canvassing he couldn't be canvassing we couldn't be canvassing you couldn't be canvassing they couldn't be canvassing
Perfect	V-ing perfect
I couldn't have canvassed you couldn't have canvassed he couldn't have canvassed we couldn't have canvassed you couldn't have canvassed they couldn't have canvassed	I couldn't have been canvassing you couldn't have been canvassing he couldn't have been canvassing we couldn't have been canvassing you couldn't have been canvassing they couldn't have been canvassing

Interrogative form

Simple form	V-ing form
could I canvass? could you canvass? could he canvass? could we canvass? could you canvass? could they canvass?	could I be canvassing? could you be canvassing? could he be canvassing? could we be canvassing? could you be canvassing? could they be canvassing?
Perfect	V-ing perfect
could I have canvassed? could you have canvassed? could he have canvassed? could we have canvassed? could you have canvassed? could they have canvassed?	could I have been canvassing? could you have been canvassing? could he have been canvassing? could we have been canvassing? could you have been canvassing? could they have been canvassing?

Interro-negative form

Simple form	V-ing form
couldn't I canvass? couldn't you canvass? couldn't he canvass? couldn't we canvass? couldn't you canvass? couldn't they canvass?	couldn't I be canvassing? couldn't you be canvassing? couldn't he be canvassing? couldn't we be canvassing? couldn't you be canvassing? couldn't they be canvassing?
Perfect	V-ing perfect
couldn't I have canvassed? couldn't you have canvassed? couldn't he have canvassed? couldn't we have canvassed? couldn't you have canvassed? couldn't they have canvassed?	couldn't I have been canvassing? couldn't you have been canvassing? couldn't he have been canvassing? couldn't we have been canvassing? couldn't you have been canvassing? couldn't they have been canvassing?