can unlace
Verbo regular: unlace - unlaced- unlaced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can unlace
you can unlace
he can unlace
we can unlace
you can unlace
they can unlace 	I can be unlacing
you can be unlacing
he can be unlacing
we can be unlacing
you can be unlacing
they can be unlacing	I can have unlaced
you can have unlaced
he can have unlaced
we can have unlaced
you can have unlaced
they can have unlaced	I can have been unlacing
you can have been unlacing
he can have been unlacing
we can have been unlacing
you can have been unlacing
they can have been unlacing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot unlace
you cannot unlace
he cannot unlace
we cannot unlace
you cannot unlace
they cannot unlace 	I cannot be unlacing
you cannot be unlacing
he cannot be unlacing
we cannot be unlacing
you cannot be unlacing
they cannot be unlacing	I cannot have unlaced
you cannot have unlaced
he cannot have unlaced
we cannot have unlaced
you cannot have unlaced
they cannot have unlaced	I cannot have been unlacing
you cannot have been unlacing
he cannot have been unlacing
we cannot have been unlacing
you cannot have been unlacing
they cannot have been unlacing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I unlace?
can you unlace?
can he unlace?
can we unlace?
can you unlace?
can they unlace? 	can I be unlacing?
can you be unlacing?
can he be unlacing?
can we be unlacing?
can you be unlacing?
can they be unlacing? 	can I have unlaced?
can you have unlaced?
can he have unlaced?
can we have unlaced?
can you have unlaced?
can they have unlaced? 	can I have been unlacing?
can you have been unlacing?
can he have been unlacing?
can we have been unlacing?
can you have been unlacing?
can they have been unlacing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not unlace?
can you not unlace?
can he not unlace?
can we not unlace?
can you not unlace?
can they not unlace? 	can I not be unlacing?
can you not be unlacing?
can he not be unlacing?
can we not be unlacing?
can you not be unlacing?
can they not be unlacing? 	can I not have unlaced?
can you not have unlaced?
can he not have unlaced?
can we not have unlaced?
can you not have unlaced?
can they not have unlaced? 	can I not have been unlacing?
can you not have been unlacing?
can he not have been unlacing?
can we not have been unlacing?
can you not have been unlacing?
can they not have been unlacing?