can shirr
Verbo regular: shirr - shirred- shirred

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can shirr
you can shirr
she can shirr
we can shirr
you can shirr
they can shirr 	I can be shirring
you can be shirring
she can be shirring
we can be shirring
you can be shirring
they can be shirring	I can have shirred
you can have shirred
she can have shirred
we can have shirred
you can have shirred
they can have shirred	I can have been shirring
you can have been shirring
she can have been shirring
we can have been shirring
you can have been shirring
they can have been shirring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot shirr
you cannot shirr
she cannot shirr
we cannot shirr
you cannot shirr
they cannot shirr 	I cannot be shirring
you cannot be shirring
she cannot be shirring
we cannot be shirring
you cannot be shirring
they cannot be shirring	I cannot have shirred
you cannot have shirred
she cannot have shirred
we cannot have shirred
you cannot have shirred
they cannot have shirred	I cannot have been shirring
you cannot have been shirring
she cannot have been shirring
we cannot have been shirring
you cannot have been shirring
they cannot have been shirring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I shirr?
can you shirr?
can she shirr?
can we shirr?
can you shirr?
can they shirr? 	can I be shirring?
can you be shirring?
can she be shirring?
can we be shirring?
can you be shirring?
can they be shirring? 	can I have shirred?
can you have shirred?
can she have shirred?
can we have shirred?
can you have shirred?
can they have shirred? 	can I have been shirring?
can you have been shirring?
can she have been shirring?
can we have been shirring?
can you have been shirring?
can they have been shirring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not shirr?
can you not shirr?
can she not shirr?
can we not shirr?
can you not shirr?
can they not shirr? 	can I not be shirring?
can you not be shirring?
can she not be shirring?
can we not be shirring?
can you not be shirring?
can they not be shirring? 	can I not have shirred?
can you not have shirred?
can she not have shirred?
can we not have shirred?
can you not have shirred?
can they not have shirred? 	can I not have been shirring?
can you not have been shirring?
can she not have been shirring?
can we not have been shirring?
can you not have been shirring?
can they not have been shirring?