English verb conjugation
OUGHT TO CONCERT

Regular verb: concert - concerted - concerted

Affirmation

Simple form	V-ing form
I ought to concert you ought to concert he ought to concert we ought to concert you ought to concert they ought to concert	I ought to be concerting you ought to be concerting he ought to be concerting we ought to be concerting you ought to be concerting they ought to be concerting
Perfect	V-ing perfect
I ought to have concerted you ought to have concerted he ought to have concerted we ought to have concerted you ought to have concerted they ought to have concerted	I ought to have been concerting you ought to have been concerting he ought to have been concerting we ought to have been concerting you ought to have been concerting they ought to have been concerting

Negation

Simple form	V-ing form
I oughtn't to concert you oughtn't to concert he oughtn't to concert we oughtn't to concert you oughtn't to concert they oughtn't to concert	I oughtn't to be concerting you oughtn't to be concerting he oughtn't to be concerting we oughtn't to be concerting you oughtn't to be concerting they oughtn't to be concerting
Perfect	V-ing perfect
I oughtn't to have concerted you oughtn't to have concerted he oughtn't to have concerted we oughtn't to have concerted you oughtn't to have concerted they oughtn't to have concerted	I oughtn't to have been concerting you oughtn't to have been concerting he oughtn't to have been concerting we oughtn't to have been concerting you oughtn't to have been concerting they oughtn't to have been concerting

Interrogative form

Simple form	V-ing form
ought to I concert? ought to you concert? ought to he concert? ought to we concert? ought to you concert? ought to they concert?	ought to I be concerting? ought to you be concerting? ought to he be concerting? ought to we be concerting? ought to you be concerting? ought to they be concerting?
Perfect	V-ing perfect
ought to I have concerted? ought to you have concerted? ought to he have concerted? ought to we have concerted? ought to you have concerted? ought to they have concerted?	ought to I have been concerting? ought to you have been concerting? ought to he have been concerting? ought to we have been concerting? ought to you have been concerting? ought to they have been concerting?

Interro-negative form

Simple form	V-ing form
oughtn't I to concert? oughtn't you to concert? oughtn't he to concert? oughtn't we to concert? oughtn't you to concert? oughtn't they to concert?	oughtn't I to be concerting? oughtn't you to be concerting? oughtn't he to be concerting? oughtn't we to be concerting? oughtn't you to be concerting? oughtn't they to be concerting?
Perfect	V-ing perfect
oughtn't I to have concerted? oughtn't you to have concerted? oughtn't he to have concerted? oughtn't we to have concerted? oughtn't you to have concerted? oughtn't they to have concerted?	oughtn't I to have been concerting? oughtn't you to have been concerting? oughtn't he to have been concerting? oughtn't we to have been concerting? oughtn't you to have been concerting? oughtn't they to have been concerting?