can appall
Verbo regular: appall - appalled- appalled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can appall
you can appall
he can appall
we can appall
you can appall
they can appall 	I can be appalling
you can be appalling
he can be appalling
we can be appalling
you can be appalling
they can be appalling	I can have appalled
you can have appalled
he 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
he can have been appalling
we can have been appalling
you can have been appalling
they can have been appalling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot appall
you cannot appall
he cannot appall
we cannot appall
you cannot appall
they cannot appall 	I cannot be appalling
you cannot be appalling
he cannot be appalling
we cannot be appalling
you cannot be appalling
they cannot be appalling	I cannot have appalled
you cannot have appalled
he 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
he cannot have been appalling
we cannot have been appalling
you cannot have been appalling
they cannot have been appalling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I appall?
can you appall?
can he appall?
can we appall?
can you appall?
can they appall? 	can I be appalling?
can you be appalling?
can he be appalling?
can we be appalling?
can you be appalling?
can they be appalling? 	can I have appalled?
can you have appalled?
can he 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 he have been appalling?
can we have been appalling?
can you have been appalling?
can they have been appalling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not appall?
can you not appall?
can he 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 he 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 he 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 he not have been appalling?
can we not have been appalling?
can you not have been appalling?
can they not have been appalling?