English verb conjugation
COULD PRECANVASS

Regular verb: precanvass - precanvassed - precanvassed

Affirmation

Simple form	V-ing form
I could precanvass you could precanvass he could precanvass we could precanvass you could precanvass they could precanvass	I could be precanvassing you could be precanvassing he could be precanvassing we could be precanvassing you could be precanvassing they could be precanvassing
Perfect	V-ing perfect
I could have precanvassed you could have precanvassed he could have precanvassed we could have precanvassed you could have precanvassed they could have precanvassed	I could have been precanvassing you could have been precanvassing he could have been precanvassing we could have been precanvassing you could have been precanvassing they could have been precanvassing

Negation

Simple form	V-ing form
I couldn't precanvass you couldn't precanvass he couldn't precanvass we couldn't precanvass you couldn't precanvass they couldn't precanvass	I couldn't be precanvassing you couldn't be precanvassing he couldn't be precanvassing we couldn't be precanvassing you couldn't be precanvassing they couldn't be precanvassing
Perfect	V-ing perfect
I couldn't have precanvassed you couldn't have precanvassed he couldn't have precanvassed we couldn't have precanvassed you couldn't have precanvassed they couldn't have precanvassed	I couldn't have been precanvassing you couldn't have been precanvassing he couldn't have been precanvassing we couldn't have been precanvassing you couldn't have been precanvassing they couldn't have been precanvassing

Interrogative form

Simple form	V-ing form
could I precanvass? could you precanvass? could he precanvass? could we precanvass? could you precanvass? could they precanvass?	could I be precanvassing? could you be precanvassing? could he be precanvassing? could we be precanvassing? could you be precanvassing? could they be precanvassing?
Perfect	V-ing perfect
could I have precanvassed? could you have precanvassed? could he have precanvassed? could we have precanvassed? could you have precanvassed? could they have precanvassed?	could I have been precanvassing? could you have been precanvassing? could he have been precanvassing? could we have been precanvassing? could you have been precanvassing? could they have been precanvassing?

Interro-negative form

Simple form	V-ing form
couldn't I precanvass? couldn't you precanvass? couldn't he precanvass? couldn't we precanvass? couldn't you precanvass? couldn't they precanvass?	couldn't I be precanvassing? couldn't you be precanvassing? couldn't he be precanvassing? couldn't we be precanvassing? couldn't you be precanvassing? couldn't they be precanvassing?
Perfect	V-ing perfect
couldn't I have precanvassed? couldn't you have precanvassed? couldn't he have precanvassed? couldn't we have precanvassed? couldn't you have precanvassed? couldn't they have precanvassed?	couldn't I have been precanvassing? couldn't you have been precanvassing? couldn't he have been precanvassing? couldn't we have been precanvassing? couldn't you have been precanvassing? couldn't they have been precanvassing?