English verb conjugation
OUGHT TO SPALL

Regular verb: spall - spalled - spalled

Affirmation

Simple form	V-ing form
I ought to spall you ought to spall she ought to spall we ought to spall you ought to spall they ought to spall	I ought to be spalling you ought to be spalling she ought to be spalling we ought to be spalling you ought to be spalling they ought to be spalling
Perfect	V-ing perfect
I ought to have spalled you ought to have spalled she ought to have spalled we ought to have spalled you ought to have spalled they ought to have spalled	I ought to have been spalling you ought to have been spalling she ought to have been spalling we ought to have been spalling you ought to have been spalling they ought to have been spalling

Negation

Simple form	V-ing form
I oughtn't to spall you oughtn't to spall she oughtn't to spall we oughtn't to spall you oughtn't to spall they oughtn't to spall	I oughtn't to be spalling you oughtn't to be spalling she oughtn't to be spalling we oughtn't to be spalling you oughtn't to be spalling they oughtn't to be spalling
Perfect	V-ing perfect
I oughtn't to have spalled you oughtn't to have spalled she oughtn't to have spalled we oughtn't to have spalled you oughtn't to have spalled they oughtn't to have spalled	I oughtn't to have been spalling you oughtn't to have been spalling she oughtn't to have been spalling we oughtn't to have been spalling you oughtn't to have been spalling they oughtn't to have been spalling

Interrogative form

Simple form	V-ing form
ought to I spall? ought to you spall? ought to she spall? ought to we spall? ought to you spall? ought to they spall?	ought to I be spalling? ought to you be spalling? ought to she be spalling? ought to we be spalling? ought to you be spalling? ought to they be spalling?
Perfect	V-ing perfect
ought to I have spalled? ought to you have spalled? ought to she have spalled? ought to we have spalled? ought to you have spalled? ought to they have spalled?	ought to I have been spalling? ought to you have been spalling? ought to she have been spalling? ought to we have been spalling? ought to you have been spalling? ought to they have been spalling?

Interro-negative form

Simple form	V-ing form
oughtn't I to spall? oughtn't you to spall? oughtn't she to spall? oughtn't we to spall? oughtn't you to spall? oughtn't they to spall?	oughtn't I to be spalling? oughtn't you to be spalling? oughtn't she to be spalling? oughtn't we to be spalling? oughtn't you to be spalling? oughtn't they to be spalling?
Perfect	V-ing perfect
oughtn't I to have spalled? oughtn't you to have spalled? oughtn't she to have spalled? oughtn't we to have spalled? oughtn't you to have spalled? oughtn't they to have spalled?	oughtn't I to have been spalling? oughtn't you to have been spalling? oughtn't she to have been spalling? oughtn't we to have been spalling? oughtn't you to have been spalling? oughtn't they to have been spalling?