I ought to krass you ought to krass she ought to krass we ought to krass you ought to krass they ought to krass
V-ing form
I ought to be krassing you ought to be krassing she ought to be krassing we ought to be krassing you ought to be krassing they ought to be krassing
Perfect
I ought to have krassed you ought to have krassed she ought to have krassed we ought to have krassed you ought to have krassed they ought to have krassed
V-ing perfect
I ought to have been krassing you ought to have been krassing she ought to have been krassing we ought to have been krassing you ought to have been krassing they ought to have been krassing
Negation
Simple form
I oughtn't to krass you oughtn't to krass she oughtn't to krass we oughtn't to krass you oughtn't to krass they oughtn't to krass
V-ing form
I oughtn't to be krassing you oughtn't to be krassing she oughtn't to be krassing we oughtn't to be krassing you oughtn't to be krassing they oughtn't to be krassing
Perfect
I oughtn't to have krassed you oughtn't to have krassed she oughtn't to have krassed we oughtn't to have krassed you oughtn't to have krassed they oughtn't to have krassed
V-ing perfect
I oughtn't to have been krassing you oughtn't to have been krassing she oughtn't to have been krassing we oughtn't to have been krassing you oughtn't to have been krassing they oughtn't to have been krassing
Interrogative form
Simple form
ought to I krass? ought to you krass? ought to she krass? ought to we krass? ought to you krass? ought to they krass?
V-ing form
ought to I be krassing? ought to you be krassing? ought to she be krassing? ought to we be krassing? ought to you be krassing? ought to they be krassing?
Perfect
ought to I have krassed? ought to you have krassed? ought to she have krassed? ought to we have krassed? ought to you have krassed? ought to they have krassed?
V-ing perfect
ought to I have been krassing? ought to you have been krassing? ought to she have been krassing? ought to we have been krassing? ought to you have been krassing? ought to they have been krassing?
Interro-negative form
Simple form
oughtn't I to krass? oughtn't you to krass? oughtn't she to krass? oughtn't we to krass? oughtn't you to krass? oughtn't they to krass?
V-ing form
oughtn't I to be krassing? oughtn't you to be krassing? oughtn't she to be krassing? oughtn't we to be krassing? oughtn't you to be krassing? oughtn't they to be krassing?
Perfect
oughtn't I to have krassed? oughtn't you to have krassed? oughtn't she to have krassed? oughtn't we to have krassed? oughtn't you to have krassed? oughtn't they to have krassed?
V-ing perfect
oughtn't I to have been krassing? oughtn't you to have been krassing? oughtn't she to have been krassing? oughtn't we to have been krassing? oughtn't you to have been krassing? oughtn't they to have been krassing?