English verb conjugation
CAN SPALL

Regular verb: spall - spalled - spalled

Affirmation

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

Negation

Simple form	V-ing form
I cannot spall you cannot spall she cannot spall we cannot spall you cannot spall they cannot spall	I cannot be spalling you cannot be spalling she cannot be spalling we cannot be spalling you cannot be spalling they cannot be spalling
Perfect	V-ing perfect
I cannot have spalled you cannot have spalled she cannot have spalled we cannot have spalled you cannot have spalled they cannot have spalled	I cannot have been spalling you cannot have been spalling she cannot have been spalling we cannot have been spalling you cannot have been spalling they cannot have been spalling

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not spall? can you not spall? can she not spall? can we not spall? can you not spall? can they not spall?	can I not be spalling? can you not be spalling? can she not be spalling? can we not be spalling? can you not be spalling? can they not be spalling?
Perfect	V-ing perfect
can I not have spalled? can you not have spalled? can she not have spalled? can we not have spalled? can you not have spalled? can they not have spalled?	can I not have been spalling? can you not have been spalling? can she not have been spalling? can we not have been spalling? can you not have been spalling? can they not have been spalling?