can kill
Verbo regular: kill - killed- killed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can kill
you can kill
she can kill
we can kill
you can kill
they can kill 	I can be killing
you can be killing
she can be killing
we can be killing
you can be killing
they can be killing	I can have killed
you can have killed
she can have killed
we can have killed
you can have killed
they can have killed	I can have been killing
you can have been killing
she can have been killing
we can have been killing
you can have been killing
they can have been killing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot kill
you cannot kill
she cannot kill
we cannot kill
you cannot kill
they cannot kill 	I cannot be killing
you cannot be killing
she cannot be killing
we cannot be killing
you cannot be killing
they cannot be killing	I cannot have killed
you cannot have killed
she cannot have killed
we cannot have killed
you cannot have killed
they cannot have killed	I cannot have been killing
you cannot have been killing
she cannot have been killing
we cannot have been killing
you cannot have been killing
they cannot have been killing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I kill?
can you kill?
can she kill?
can we kill?
can you kill?
can they kill? 	can I be killing?
can you be killing?
can she be killing?
can we be killing?
can you be killing?
can they be killing? 	can I have killed?
can you have killed?
can she have killed?
can we have killed?
can you have killed?
can they have killed? 	can I have been killing?
can you have been killing?
can she have been killing?
can we have been killing?
can you have been killing?
can they have been killing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not kill?
can you not kill?
can she not kill?
can we not kill?
can you not kill?
can they not kill? 	can I not be killing?
can you not be killing?
can she not be killing?
can we not be killing?
can you not be killing?
can they not be killing? 	can I not have killed?
can you not have killed?
can she not have killed?
can we not have killed?
can you not have killed?
can they not have killed? 	can I not have been killing?
can you not have been killing?
can she not have been killing?
can we not have been killing?
can you not have been killing?
can they not have been killing?