can uppercase
Verbo regular: uppercase - uppercased- uppercased

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can uppercase
you can uppercase
he can uppercase
we can uppercase
you can uppercase
they can uppercase 	I can be uppercasing
you can be uppercasing
he can be uppercasing
we can be uppercasing
you can be uppercasing
they can be uppercasing	I can have uppercased
you can have uppercased
he can have uppercased
we can have uppercased
you can have uppercased
they can have uppercased	I can have been uppercasing
you can have been uppercasing
he can have been uppercasing
we can have been uppercasing
you can have been uppercasing
they can have been uppercasing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't uppercase
you can't uppercase
he can't uppercase
we can't uppercase
you can't uppercase
they can't uppercase 	I can't be uppercasing
you can't be uppercasing
he can't be uppercasing
we can't be uppercasing
you can't be uppercasing
they can't be uppercasing	I can't have uppercased
you can't have uppercased
he can't have uppercased
we can't have uppercased
you can't have uppercased
they can't have uppercased	I can't have been uppercasing
you can't have been uppercasing
he can't have been uppercasing
we can't have been uppercasing
you can't have been uppercasing
they can't have been uppercasing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I uppercase?
can you uppercase?
can he uppercase?
can we uppercase?
can you uppercase?
can they uppercase? 	can I be uppercasing?
can you be uppercasing?
can he be uppercasing?
can we be uppercasing?
can you be uppercasing?
can they be uppercasing? 	can I have uppercased?
can you have uppercased?
can he have uppercased?
can we have uppercased?
can you have uppercased?
can they have uppercased? 	can I have been uppercasing?
can you have been uppercasing?
can he have been uppercasing?
can we have been uppercasing?
can you have been uppercasing?
can they have been uppercasing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I uppercase?
can't you uppercase?
can't he uppercase?
can't we uppercase?
can't you uppercase?
can't they uppercase? 	can't I be uppercasing?
can't you be uppercasing?
can't he be uppercasing?
can't we be uppercasing?
can't you be uppercasing?
can't they be uppercasing? 	can't I have uppercased?
can't you have uppercased?
can't he have uppercased?
can't we have uppercased?
can't you have uppercased?
can't they have uppercased? 	can't I have been uppercasing?
can't you have been uppercasing?
can't he have been uppercasing?
can't we have been uppercasing?
can't you have been uppercasing?
can't they have been uppercasing?