English verb conjugation
COULD CONTRIVE

Regular verb: contrive - contrived - contrived

Affirmation

Simple form	V-ing form
I could contrive you could contrive she could contrive we could contrive you could contrive they could contrive	I could be contriving you could be contriving she could be contriving we could be contriving you could be contriving they could be contriving
Perfect	V-ing perfect
I could have contrived you could have contrived she could have contrived we could have contrived you could have contrived they could have contrived	I could have been contriving you could have been contriving she could have been contriving we could have been contriving you could have been contriving they could have been contriving

Negation

Simple form	V-ing form
I couldn't contrive you couldn't contrive she couldn't contrive we couldn't contrive you couldn't contrive they couldn't contrive	I couldn't be contriving you couldn't be contriving she couldn't be contriving we couldn't be contriving you couldn't be contriving they couldn't be contriving
Perfect	V-ing perfect
I couldn't have contrived you couldn't have contrived she couldn't have contrived we couldn't have contrived you couldn't have contrived they couldn't have contrived	I couldn't have been contriving you couldn't have been contriving she couldn't have been contriving we couldn't have been contriving you couldn't have been contriving they couldn't have been contriving

Interrogative form

Simple form	V-ing form
could I contrive? could you contrive? could she contrive? could we contrive? could you contrive? could they contrive?	could I be contriving? could you be contriving? could she be contriving? could we be contriving? could you be contriving? could they be contriving?
Perfect	V-ing perfect
could I have contrived? could you have contrived? could she have contrived? could we have contrived? could you have contrived? could they have contrived?	could I have been contriving? could you have been contriving? could she have been contriving? could we have been contriving? could you have been contriving? could they have been contriving?

Interro-negative form

Simple form	V-ing form
couldn't I contrive? couldn't you contrive? couldn't she contrive? couldn't we contrive? couldn't you contrive? couldn't they contrive?	couldn't I be contriving? couldn't you be contriving? couldn't she be contriving? couldn't we be contriving? couldn't you be contriving? couldn't they be contriving?
Perfect	V-ing perfect
couldn't I have contrived? couldn't you have contrived? couldn't she have contrived? couldn't we have contrived? couldn't you have contrived? couldn't they have contrived?	couldn't I have been contriving? couldn't you have been contriving? couldn't she have been contriving? couldn't we have been contriving? couldn't you have been contriving? couldn't they have been contriving?