can appal
Verbo regular: appal - appaled- appaled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can appal
you can appal
he can appal
we can appal
you can appal
they can appal 	I can be appaling
you can be appaling
he can be appaling
we can be appaling
you can be appaling
they can be appaling	I can have appaled
you can have appaled
he can have appaled
we can have appaled
you can have appaled
they can have appaled	I can have been appaling
you can have been appaling
he can have been appaling
we can have been appaling
you can have been appaling
they can have been appaling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot appal
you cannot appal
he cannot appal
we cannot appal
you cannot appal
they cannot appal 	I cannot be appaling
you cannot be appaling
he cannot be appaling
we cannot be appaling
you cannot be appaling
they cannot be appaling	I cannot have appaled
you cannot have appaled
he cannot have appaled
we cannot have appaled
you cannot have appaled
they cannot have appaled	I cannot have been appaling
you cannot have been appaling
he cannot have been appaling
we cannot have been appaling
you cannot have been appaling
they cannot have been appaling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I appal?
can you appal?
can he appal?
can we appal?
can you appal?
can they appal? 	can I be appaling?
can you be appaling?
can he be appaling?
can we be appaling?
can you be appaling?
can they be appaling? 	can I have appaled?
can you have appaled?
can he have appaled?
can we have appaled?
can you have appaled?
can they have appaled? 	can I have been appaling?
can you have been appaling?
can he have been appaling?
can we have been appaling?
can you have been appaling?
can they have been appaling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not appal?
can you not appal?
can he not appal?
can we not appal?
can you not appal?
can they not appal? 	can I not be appaling?
can you not be appaling?
can he not be appaling?
can we not be appaling?
can you not be appaling?
can they not be appaling? 	can I not have appaled?
can you not have appaled?
can he not have appaled?
can we not have appaled?
can you not have appaled?
can they not have appaled? 	can I not have been appaling?
can you not have been appaling?
can he not have been appaling?
can we not have been appaling?
can you not have been appaling?
can they not have been appaling?