Conjugación del verbo inglés
OUGHT TO CONCENTRATE

Verbo regular: concentrate - concentrated - concentrated

Afirmación

Forma simple	Forma con V-ing
I ought to concentrate you ought to concentrate she ought to concentrate we ought to concentrate you ought to concentrate they ought to concentrate	I ought to be concentrating you ought to be concentrating she ought to be concentrating we ought to be concentrating you ought to be concentrating they ought to be concentrating
Perfecto	Perfecto con V-ing
I ought to have concentrated you ought to have concentrated she ought to have concentrated we ought to have concentrated you ought to have concentrated they ought to have concentrated	I ought to have been concentrating you ought to have been concentrating she ought to have been concentrating we ought to have been concentrating you ought to have been concentrating they ought to have been concentrating

Negación

Forma simple	Forma con V-ing
I oughtn't to concentrate you oughtn't to concentrate she oughtn't to concentrate we oughtn't to concentrate you oughtn't to concentrate they oughtn't to concentrate	I oughtn't to be concentrating you oughtn't to be concentrating she oughtn't to be concentrating we oughtn't to be concentrating you oughtn't to be concentrating they oughtn't to be concentrating
Perfecto	Perfecto con V-ing
I oughtn't to have concentrated you oughtn't to have concentrated she oughtn't to have concentrated we oughtn't to have concentrated you oughtn't to have concentrated they oughtn't to have concentrated	I oughtn't to have been concentrating you oughtn't to have been concentrating she oughtn't to have been concentrating we oughtn't to have been concentrating you oughtn't to have been concentrating they oughtn't to have been concentrating

Forma interrogativa

Forma simple	Forma con V-ing
ought to I concentrate? ought to you concentrate? ought to she concentrate? ought to we concentrate? ought to you concentrate? ought to they concentrate?	ought to I be concentrating? ought to you be concentrating? ought to she be concentrating? ought to we be concentrating? ought to you be concentrating? ought to they be concentrating?
Perfecto	Perfecto con V-ing
ought to I have concentrated? ought to you have concentrated? ought to she have concentrated? ought to we have concentrated? ought to you have concentrated? ought to they have concentrated?	ought to I have been concentrating? ought to you have been concentrating? ought to she have been concentrating? ought to we have been concentrating? ought to you have been concentrating? ought to they have been concentrating?

Forma interro-negativa

Forma simple	Forma con V-ing
oughtn't I to concentrate? oughtn't you to concentrate? oughtn't she to concentrate? oughtn't we to concentrate? oughtn't you to concentrate? oughtn't they to concentrate?	oughtn't I to be concentrating? oughtn't you to be concentrating? oughtn't she to be concentrating? oughtn't we to be concentrating? oughtn't you to be concentrating? oughtn't they to be concentrating?
Perfecto	Perfecto con V-ing
oughtn't I to have concentrated? oughtn't you to have concentrated? oughtn't she to have concentrated? oughtn't we to have concentrated? oughtn't you to have concentrated? oughtn't they to have concentrated?	oughtn't I to have been concentrating? oughtn't you to have been concentrating? oughtn't she to have been concentrating? oughtn't we to have been concentrating? oughtn't you to have been concentrating? oughtn't they to have been concentrating?