English verb conjugation
OUGHT TO DOVETAIL

Regular verb: dovetail - dovetailed - dovetailed

Affirmation

Simple form	V-ing form
I ought to dovetail you ought to dovetail he ought to dovetail we ought to dovetail you ought to dovetail they ought to dovetail	I ought to be dovetailing you ought to be dovetailing he ought to be dovetailing we ought to be dovetailing you ought to be dovetailing they ought to be dovetailing
Perfect	V-ing perfect
I ought to have dovetailed you ought to have dovetailed he ought to have dovetailed we ought to have dovetailed you ought to have dovetailed they ought to have dovetailed	I ought to have been dovetailing you ought to have been dovetailing he ought to have been dovetailing we ought to have been dovetailing you ought to have been dovetailing they ought to have been dovetailing

Negation

Simple form	V-ing form
I oughtn't to dovetail you oughtn't to dovetail he oughtn't to dovetail we oughtn't to dovetail you oughtn't to dovetail they oughtn't to dovetail	I oughtn't to be dovetailing you oughtn't to be dovetailing he oughtn't to be dovetailing we oughtn't to be dovetailing you oughtn't to be dovetailing they oughtn't to be dovetailing
Perfect	V-ing perfect
I oughtn't to have dovetailed you oughtn't to have dovetailed he oughtn't to have dovetailed we oughtn't to have dovetailed you oughtn't to have dovetailed they oughtn't to have dovetailed	I oughtn't to have been dovetailing you oughtn't to have been dovetailing he oughtn't to have been dovetailing we oughtn't to have been dovetailing you oughtn't to have been dovetailing they oughtn't to have been dovetailing

Interrogative form

Simple form	V-ing form
ought to I dovetail? ought to you dovetail? ought to he dovetail? ought to we dovetail? ought to you dovetail? ought to they dovetail?	ought to I be dovetailing? ought to you be dovetailing? ought to he be dovetailing? ought to we be dovetailing? ought to you be dovetailing? ought to they be dovetailing?
Perfect	V-ing perfect
ought to I have dovetailed? ought to you have dovetailed? ought to he have dovetailed? ought to we have dovetailed? ought to you have dovetailed? ought to they have dovetailed?	ought to I have been dovetailing? ought to you have been dovetailing? ought to he have been dovetailing? ought to we have been dovetailing? ought to you have been dovetailing? ought to they have been dovetailing?

Interro-negative form

Simple form	V-ing form
oughtn't I to dovetail? oughtn't you to dovetail? oughtn't he to dovetail? oughtn't we to dovetail? oughtn't you to dovetail? oughtn't they to dovetail?	oughtn't I to be dovetailing? oughtn't you to be dovetailing? oughtn't he to be dovetailing? oughtn't we to be dovetailing? oughtn't you to be dovetailing? oughtn't they to be dovetailing?
Perfect	V-ing perfect
oughtn't I to have dovetailed? oughtn't you to have dovetailed? oughtn't he to have dovetailed? oughtn't we to have dovetailed? oughtn't you to have dovetailed? oughtn't they to have dovetailed?	oughtn't I to have been dovetailing? oughtn't you to have been dovetailing? oughtn't he to have been dovetailing? oughtn't we to have been dovetailing? oughtn't you to have been dovetailing? oughtn't they to have been dovetailing?