English verb conjugation
OUGHT TO WARBLE

Regular verb: warble - warbled - warbled

Affirmation

Simple form	V-ing form
I ought to warble you ought to warble he ought to warble we ought to warble you ought to warble they ought to warble	I ought to be warbling you ought to be warbling he ought to be warbling we ought to be warbling you ought to be warbling they ought to be warbling
Perfect	V-ing perfect
I ought to have warbled you ought to have warbled he ought to have warbled we ought to have warbled you ought to have warbled they ought to have warbled	I ought to have been warbling you ought to have been warbling he ought to have been warbling we ought to have been warbling you ought to have been warbling they ought to have been warbling

Negation

Simple form	V-ing form
I oughtn't to warble you oughtn't to warble he oughtn't to warble we oughtn't to warble you oughtn't to warble they oughtn't to warble	I oughtn't to be warbling you oughtn't to be warbling he oughtn't to be warbling we oughtn't to be warbling you oughtn't to be warbling they oughtn't to be warbling
Perfect	V-ing perfect
I oughtn't to have warbled you oughtn't to have warbled he oughtn't to have warbled we oughtn't to have warbled you oughtn't to have warbled they oughtn't to have warbled	I oughtn't to have been warbling you oughtn't to have been warbling he oughtn't to have been warbling we oughtn't to have been warbling you oughtn't to have been warbling they oughtn't to have been warbling

Interrogative form

Simple form	V-ing form
ought to I warble? ought to you warble? ought to he warble? ought to we warble? ought to you warble? ought to they warble?	ought to I be warbling? ought to you be warbling? ought to he be warbling? ought to we be warbling? ought to you be warbling? ought to they be warbling?
Perfect	V-ing perfect
ought to I have warbled? ought to you have warbled? ought to he have warbled? ought to we have warbled? ought to you have warbled? ought to they have warbled?	ought to I have been warbling? ought to you have been warbling? ought to he have been warbling? ought to we have been warbling? ought to you have been warbling? ought to they have been warbling?

Interro-negative form

Simple form	V-ing form
oughtn't I to warble? oughtn't you to warble? oughtn't he to warble? oughtn't we to warble? oughtn't you to warble? oughtn't they to warble?	oughtn't I to be warbling? oughtn't you to be warbling? oughtn't he to be warbling? oughtn't we to be warbling? oughtn't you to be warbling? oughtn't they to be warbling?
Perfect	V-ing perfect
oughtn't I to have warbled? oughtn't you to have warbled? oughtn't he to have warbled? oughtn't we to have warbled? oughtn't you to have warbled? oughtn't they to have warbled?	oughtn't I to have been warbling? oughtn't you to have been warbling? oughtn't he to have been warbling? oughtn't we to have been warbling? oughtn't you to have been warbling? oughtn't they to have been warbling?