English verb conjugation
OUGHT TO SCUMBLE

Regular verb: scumble - scumbled - scumbled

Affirmation

Simple form	V-ing form
I ought to scumble you ought to scumble he ought to scumble we ought to scumble you ought to scumble they ought to scumble	I ought to be scumbling you ought to be scumbling he ought to be scumbling we ought to be scumbling you ought to be scumbling they ought to be scumbling
Perfect	V-ing perfect
I ought to have scumbled you ought to have scumbled he ought to have scumbled we ought to have scumbled you ought to have scumbled they ought to have scumbled	I ought to have been scumbling you ought to have been scumbling he ought to have been scumbling we ought to have been scumbling you ought to have been scumbling they ought to have been scumbling

Negation

Simple form	V-ing form
I oughtn't to scumble you oughtn't to scumble he oughtn't to scumble we oughtn't to scumble you oughtn't to scumble they oughtn't to scumble	I oughtn't to be scumbling you oughtn't to be scumbling he oughtn't to be scumbling we oughtn't to be scumbling you oughtn't to be scumbling they oughtn't to be scumbling
Perfect	V-ing perfect
I oughtn't to have scumbled you oughtn't to have scumbled he oughtn't to have scumbled we oughtn't to have scumbled you oughtn't to have scumbled they oughtn't to have scumbled	I oughtn't to have been scumbling you oughtn't to have been scumbling he oughtn't to have been scumbling we oughtn't to have been scumbling you oughtn't to have been scumbling they oughtn't to have been scumbling

Interrogative form

Simple form	V-ing form
ought to I scumble? ought to you scumble? ought to he scumble? ought to we scumble? ought to you scumble? ought to they scumble?	ought to I be scumbling? ought to you be scumbling? ought to he be scumbling? ought to we be scumbling? ought to you be scumbling? ought to they be scumbling?
Perfect	V-ing perfect
ought to I have scumbled? ought to you have scumbled? ought to he have scumbled? ought to we have scumbled? ought to you have scumbled? ought to they have scumbled?	ought to I have been scumbling? ought to you have been scumbling? ought to he have been scumbling? ought to we have been scumbling? ought to you have been scumbling? ought to they have been scumbling?

Interro-negative form

Simple form	V-ing form
oughtn't I to scumble? oughtn't you to scumble? oughtn't he to scumble? oughtn't we to scumble? oughtn't you to scumble? oughtn't they to scumble?	oughtn't I to be scumbling? oughtn't you to be scumbling? oughtn't he to be scumbling? oughtn't we to be scumbling? oughtn't you to be scumbling? oughtn't they to be scumbling?
Perfect	V-ing perfect
oughtn't I to have scumbled? oughtn't you to have scumbled? oughtn't he to have scumbled? oughtn't we to have scumbled? oughtn't you to have scumbled? oughtn't they to have scumbled?	oughtn't I to have been scumbling? oughtn't you to have been scumbling? oughtn't he to have been scumbling? oughtn't we to have been scumbling? oughtn't you to have been scumbling? oughtn't they to have been scumbling?