I could behoove you could behoove she could behoove we could behoove you could behoove they could behoove
V-ing form
I could be behooving you could be behooving she could be behooving we could be behooving you could be behooving they could be behooving
Perfect
I could have behooved you could have behooved she could have behooved we could have behooved you could have behooved they could have behooved
V-ing perfect
I could have been behooving you could have been behooving she could have been behooving we could have been behooving you could have been behooving they could have been behooving
Negation
Simple form
I couldn't behoove you couldn't behoove she couldn't behoove we couldn't behoove you couldn't behoove they couldn't behoove
V-ing form
I couldn't be behooving you couldn't be behooving she couldn't be behooving we couldn't be behooving you couldn't be behooving they couldn't be behooving
Perfect
I couldn't have behooved you couldn't have behooved she couldn't have behooved we couldn't have behooved you couldn't have behooved they couldn't have behooved
V-ing perfect
I couldn't have been behooving you couldn't have been behooving she couldn't have been behooving we couldn't have been behooving you couldn't have been behooving they couldn't have been behooving
Interrogative form
Simple form
could I behoove? could you behoove? could she behoove? could we behoove? could you behoove? could they behoove?
V-ing form
could I be behooving? could you be behooving? could she be behooving? could we be behooving? could you be behooving? could they be behooving?
Perfect
could I have behooved? could you have behooved? could she have behooved? could we have behooved? could you have behooved? could they have behooved?
V-ing perfect
could I have been behooving? could you have been behooving? could she have been behooving? could we have been behooving? could you have been behooving? could they have been behooving?
Interro-negative form
Simple form
couldn't I behoove? couldn't you behoove? couldn't she behoove? couldn't we behoove? couldn't you behoove? couldn't they behoove?
V-ing form
couldn't I be behooving? couldn't you be behooving? couldn't she be behooving? couldn't we be behooving? couldn't you be behooving? couldn't they be behooving?
Perfect
couldn't I have behooved? couldn't you have behooved? couldn't she have behooved? couldn't we have behooved? couldn't you have behooved? couldn't they have behooved?
V-ing perfect
couldn't I have been behooving? couldn't you have been behooving? couldn't she have been behooving? couldn't we have been behooving? couldn't you have been behooving? couldn't they have been behooving?