can silk
Verbo regular: silk - silked- silked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can silk
you can silk
he can silk
we can silk
you can silk
they can silk 	I can be silking
you can be silking
he can be silking
we can be silking
you can be silking
they can be silking	I can have silked
you can have silked
he can have silked
we can have silked
you can have silked
they can have silked	I can have been silking
you can have been silking
he can have been silking
we can have been silking
you can have been silking
they can have been silking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot silk
you cannot silk
he cannot silk
we cannot silk
you cannot silk
they cannot silk 	I cannot be silking
you cannot be silking
he cannot be silking
we cannot be silking
you cannot be silking
they cannot be silking	I cannot have silked
you cannot have silked
he cannot have silked
we cannot have silked
you cannot have silked
they cannot have silked	I cannot have been silking
you cannot have been silking
he cannot have been silking
we cannot have been silking
you cannot have been silking
they cannot have been silking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I silk?
can you silk?
can he silk?
can we silk?
can you silk?
can they silk? 	can I be silking?
can you be silking?
can he be silking?
can we be silking?
can you be silking?
can they be silking? 	can I have silked?
can you have silked?
can he have silked?
can we have silked?
can you have silked?
can they have silked? 	can I have been silking?
can you have been silking?
can he have been silking?
can we have been silking?
can you have been silking?
can they have been silking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not silk?
can you not silk?
can he not silk?
can we not silk?
can you not silk?
can they not silk? 	can I not be silking?
can you not be silking?
can he not be silking?
can we not be silking?
can you not be silking?
can they not be silking? 	can I not have silked?
can you not have silked?
can he not have silked?
can we not have silked?
can you not have silked?
can they not have silked? 	can I not have been silking?
can you not have been silking?
can he not have been silking?
can we not have been silking?
can you not have been silking?
can they not have been silking?