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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?