I ought to crouch you ought to crouch he ought to crouch we ought to crouch you ought to crouch they ought to crouch
V-ing form
I ought to be crouching you ought to be crouching he ought to be crouching we ought to be crouching you ought to be crouching they ought to be crouching
Perfect
I ought to have crouched you ought to have crouched he ought to have crouched we ought to have crouched you ought to have crouched they ought to have crouched
V-ing perfect
I ought to have been crouching you ought to have been crouching he ought to have been crouching we ought to have been crouching you ought to have been crouching they ought to have been crouching
Negation
Simple form
I oughtn't to crouch you oughtn't to crouch he oughtn't to crouch we oughtn't to crouch you oughtn't to crouch they oughtn't to crouch
V-ing form
I oughtn't to be crouching you oughtn't to be crouching he oughtn't to be crouching we oughtn't to be crouching you oughtn't to be crouching they oughtn't to be crouching
Perfect
I oughtn't to have crouched you oughtn't to have crouched he oughtn't to have crouched we oughtn't to have crouched you oughtn't to have crouched they oughtn't to have crouched
V-ing perfect
I oughtn't to have been crouching you oughtn't to have been crouching he oughtn't to have been crouching we oughtn't to have been crouching you oughtn't to have been crouching they oughtn't to have been crouching
Interrogative form
Simple form
ought to I crouch? ought to you crouch? ought to he crouch? ought to we crouch? ought to you crouch? ought to they crouch?
V-ing form
ought to I be crouching? ought to you be crouching? ought to he be crouching? ought to we be crouching? ought to you be crouching? ought to they be crouching?
Perfect
ought to I have crouched? ought to you have crouched? ought to he have crouched? ought to we have crouched? ought to you have crouched? ought to they have crouched?
V-ing perfect
ought to I have been crouching? ought to you have been crouching? ought to he have been crouching? ought to we have been crouching? ought to you have been crouching? ought to they have been crouching?
Interro-negative form
Simple form
oughtn't I to crouch? oughtn't you to crouch? oughtn't he to crouch? oughtn't we to crouch? oughtn't you to crouch? oughtn't they to crouch?
V-ing form
oughtn't I to be crouching? oughtn't you to be crouching? oughtn't he to be crouching? oughtn't we to be crouching? oughtn't you to be crouching? oughtn't they to be crouching?
Perfect
oughtn't I to have crouched? oughtn't you to have crouched? oughtn't he to have crouched? oughtn't we to have crouched? oughtn't you to have crouched? oughtn't they to have crouched?
V-ing perfect
oughtn't I to have been crouching? oughtn't you to have been crouching? oughtn't he to have been crouching? oughtn't we to have been crouching? oughtn't you to have been crouching? oughtn't they to have been crouching?