can discard
Verbo regular: discard - discarded- discarded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can discard
you can discard
he can discard
we can discard
you can discard
they can discard 	I can be discarding
you can be discarding
he can be discarding
we can be discarding
you can be discarding
they can be discarding	I can have discarded
you can have discarded
he can have discarded
we can have discarded
you can have discarded
they can have discarded	I can have been discarding
you can have been discarding
he can have been discarding
we can have been discarding
you can have been discarding
they can have been discarding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot discard
you cannot discard
he cannot discard
we cannot discard
you cannot discard
they cannot discard 	I cannot be discarding
you cannot be discarding
he cannot be discarding
we cannot be discarding
you cannot be discarding
they cannot be discarding	I cannot have discarded
you cannot have discarded
he cannot have discarded
we cannot have discarded
you cannot have discarded
they cannot have discarded	I cannot have been discarding
you cannot have been discarding
he cannot have been discarding
we cannot have been discarding
you cannot have been discarding
they cannot have been discarding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I discard?
can you discard?
can he discard?
can we discard?
can you discard?
can they discard? 	can I be discarding?
can you be discarding?
can he be discarding?
can we be discarding?
can you be discarding?
can they be discarding? 	can I have discarded?
can you have discarded?
can he have discarded?
can we have discarded?
can you have discarded?
can they have discarded? 	can I have been discarding?
can you have been discarding?
can he have been discarding?
can we have been discarding?
can you have been discarding?
can they have been discarding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not discard?
can you not discard?
can he not discard?
can we not discard?
can you not discard?
can they not discard? 	can I not be discarding?
can you not be discarding?
can he not be discarding?
can we not be discarding?
can you not be discarding?
can they not be discarding? 	can I not have discarded?
can you not have discarded?
can he not have discarded?
can we not have discarded?
can you not have discarded?
can they not have discarded? 	can I not have been discarding?
can you not have been discarding?
can he not have been discarding?
can we not have been discarding?
can you not have been discarding?
can they not have been discarding?