can overgrade
Verbo regular: overgrade - overgraded- overgraded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can overgrade
you can overgrade
he can overgrade
we can overgrade
you can overgrade
they can overgrade 	I can be overgrading
you can be overgrading
he can be overgrading
we can be overgrading
you can be overgrading
they can be overgrading	I can have overgraded
you can have overgraded
he can have overgraded
we can have overgraded
you can have overgraded
they can have overgraded	I can have been overgrading
you can have been overgrading
he can have been overgrading
we can have been overgrading
you can have been overgrading
they can have been overgrading	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot overgrade
you cannot overgrade
he cannot overgrade
we cannot overgrade
you cannot overgrade
they cannot overgrade 	I cannot be overgrading
you cannot be overgrading
he cannot be overgrading
we cannot be overgrading
you cannot be overgrading
they cannot be overgrading	I cannot have overgraded
you cannot have overgraded
he cannot have overgraded
we cannot have overgraded
you cannot have overgraded
they cannot have overgraded	I cannot have been overgrading
you cannot have been overgrading
he cannot have been overgrading
we cannot have been overgrading
you cannot have been overgrading
they cannot have been overgrading	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I overgrade?
can you overgrade?
can he overgrade?
can we overgrade?
can you overgrade?
can they overgrade? 	can I be overgrading?
can you be overgrading?
can he be overgrading?
can we be overgrading?
can you be overgrading?
can they be overgrading? 	can I have overgraded?
can you have overgraded?
can he have overgraded?
can we have overgraded?
can you have overgraded?
can they have overgraded? 	can I have been overgrading?
can you have been overgrading?
can he have been overgrading?
can we have been overgrading?
can you have been overgrading?
can they have been overgrading? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not overgrade?
can you not overgrade?
can he not overgrade?
can we not overgrade?
can you not overgrade?
can they not overgrade? 	can I not be overgrading?
can you not be overgrading?
can he not be overgrading?
can we not be overgrading?
can you not be overgrading?
can they not be overgrading? 	can I not have overgraded?
can you not have overgraded?
can he not have overgraded?
can we not have overgraded?
can you not have overgraded?
can they not have overgraded? 	can I not have been overgrading?
can you not have been overgrading?
can he not have been overgrading?
can we not have been overgrading?
can you not have been overgrading?
can they not have been overgrading?