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