can stab
Verbo regular: stab - stabbed- stabbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can stab
you can stab
she can stab
we can stab
you can stab
they can stab 	I can be stabbing
you can be stabbing
she can be stabbing
we can be stabbing
you can be stabbing
they can be stabbing	I can have stabbed
you can have stabbed
she can have stabbed
we can have stabbed
you can have stabbed
they can have stabbed	I can have been stabbing
you can have been stabbing
she can have been stabbing
we can have been stabbing
you can have been stabbing
they can have been stabbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot stab
you cannot stab
she cannot stab
we cannot stab
you cannot stab
they cannot stab 	I cannot be stabbing
you cannot be stabbing
she cannot be stabbing
we cannot be stabbing
you cannot be stabbing
they cannot be stabbing	I cannot have stabbed
you cannot have stabbed
she cannot have stabbed
we cannot have stabbed
you cannot have stabbed
they cannot have stabbed	I cannot have been stabbing
you cannot have been stabbing
she cannot have been stabbing
we cannot have been stabbing
you cannot have been stabbing
they cannot have been stabbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I stab?
can you stab?
can she stab?
can we stab?
can you stab?
can they stab? 	can I be stabbing?
can you be stabbing?
can she be stabbing?
can we be stabbing?
can you be stabbing?
can they be stabbing? 	can I have stabbed?
can you have stabbed?
can she have stabbed?
can we have stabbed?
can you have stabbed?
can they have stabbed? 	can I have been stabbing?
can you have been stabbing?
can she have been stabbing?
can we have been stabbing?
can you have been stabbing?
can they have been stabbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not stab?
can you not stab?
can she not stab?
can we not stab?
can you not stab?
can they not stab? 	can I not be stabbing?
can you not be stabbing?
can she not be stabbing?
can we not be stabbing?
can you not be stabbing?
can they not be stabbing? 	can I not have stabbed?
can you not have stabbed?
can she not have stabbed?
can we not have stabbed?
can you not have stabbed?
can they not have stabbed? 	can I not have been stabbing?
can you not have been stabbing?
can she not have been stabbing?
can we not have been stabbing?
can you not have been stabbing?
can they not have been stabbing?