English verb conjugation
OUGHT TO CONTRIVE

Regular verb: contrive - contrived - contrived

Affirmation

Simple form	V-ing form
I ought to contrive you ought to contrive he ought to contrive we ought to contrive you ought to contrive they ought to contrive	I ought to be contriving you ought to be contriving he ought to be contriving we ought to be contriving you ought to be contriving they ought to be contriving
Perfect	V-ing perfect
I ought to have contrived you ought to have contrived he ought to have contrived we ought to have contrived you ought to have contrived they ought to have contrived	I ought to have been contriving you ought to have been contriving he ought to have been contriving we ought to have been contriving you ought to have been contriving they ought to have been contriving

Negation

Simple form	V-ing form
I ought not to contrive you ought not to contrive he ought not to contrive we ought not to contrive you ought not to contrive they ought not to contrive	I ought not to contriving you ought not to contriving he ought not to contriving we ought not to contriving you ought not to contriving they ought not to contriving
Perfect	V-ing perfect
I ought not to have contrived you ought not to have contrived he ought not to have contrived we ought not to have contrived you ought not to have contrived they ought not to have contrived	I ought not to have been contriving you ought not to have been contriving he ought not to have been contriving we ought not to have been contriving you ought not to have been contriving they ought not to have been contriving

Interrogative form

Simple form	V-ing form
ought to I contrive? ought to you contrive? ought to he contrive? ought to we contrive? ought to you contrive? ought to they contrive?	ought to I be contriving? ought to you be contriving? ought to he be contriving? ought to we be contriving? ought to you be contriving? ought to they be contriving?
Perfect	V-ing perfect
ought to I have contrived? ought to you have contrived? ought to he have contrived? ought to we have contrived? ought to you have contrived? ought to they have contrived?	ought to I have been contriving? ought to you have been contriving? ought to he have been contriving? ought to we have been contriving? ought to you have been contriving? ought to they have been contriving?

Interro-negative form

Simple form	V-ing form
ought I not to contrive? ought you not to contrive? ought he not to contrive? ought we not to contrive? ought you not to contrive? ought they not to contrive?	ought I not to be contriving? ought you not to be contriving? ought he not to be contriving? ought we not to be contriving? ought you not to be contriving? ought they not to be contriving?
Perfect	V-ing perfect
ought I not to have contrived? ought you not to have contrived? ought he not to have contrived? ought we not to have contrived? ought you not to have contrived? ought they not to have contrived?	ought I not to have been contriving? ought you not to have been contriving? ought he not to have been contriving? ought we not to have been contriving? ought you not to have been contriving? ought they not to have been contriving?