can appall
Verbo regular: appall - appalled- appalled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can appall
you can appall
she can appall
we can appall
you can appall
they can appall 	I can be appalling
you can be appalling
she can be appalling
we can be appalling
you can be appalling
they can be appalling	I can have appalled
you can have appalled
she can have appalled
we can have appalled
you can have appalled
they can have appalled	I can have been appalling
you can have been appalling
she can have been appalling
we can have been appalling
you can have been appalling
they can have been appalling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot appall
you cannot appall
she cannot appall
we cannot appall
you cannot appall
they cannot appall 	I cannot be appalling
you cannot be appalling
she cannot be appalling
we cannot be appalling
you cannot be appalling
they cannot be appalling	I cannot have appalled
you cannot have appalled
she cannot have appalled
we cannot have appalled
you cannot have appalled
they cannot have appalled	I cannot have been appalling
you cannot have been appalling
she cannot have been appalling
we cannot have been appalling
you cannot have been appalling
they cannot have been appalling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I appall?
can you appall?
can she appall?
can we appall?
can you appall?
can they appall? 	can I be appalling?
can you be appalling?
can she be appalling?
can we be appalling?
can you be appalling?
can they be appalling? 	can I have appalled?
can you have appalled?
can she have appalled?
can we have appalled?
can you have appalled?
can they have appalled? 	can I have been appalling?
can you have been appalling?
can she have been appalling?
can we have been appalling?
can you have been appalling?
can they have been appalling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not appall?
can you not appall?
can she not appall?
can we not appall?
can you not appall?
can they not appall? 	can I not be appalling?
can you not be appalling?
can she not be appalling?
can we not be appalling?
can you not be appalling?
can they not be appalling? 	can I not have appalled?
can you not have appalled?
can she not have appalled?
can we not have appalled?
can you not have appalled?
can they not have appalled? 	can I not have been appalling?
can you not have been appalling?
can she not have been appalling?
can we not have been appalling?
can you not have been appalling?
can they not have been appalling?