could tap
Verbo regular: tap - tapped- tapped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could tap
you could tap
he could tap
we could tap
you could tap
they could tap 	I could be tapping
you could be tapping
he could be tapping
we could be tapping
you could be tapping
they could be tapping	I could have tapped
you could have tapped
he could have tapped
we could have tapped
you could have tapped
they could have tapped	I could have been tapping
you could have been tapping
he could have been tapping
we could have been tapping
you could have been tapping
they could have been tapping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not tap
you could not tap
he could not tap
we could not tap
you could not tap
they could not tap 	I could not be tapping
you could not be tapping
he could not be tapping
we could not be tapping
you could not be tapping
they could not be tapping	I could not have tapped
you could not have tapped
he could not have tapped
we could not have tapped
you could not have tapped
they could not have tapped	I could not have been tapping
you could not have been tapping
he could not have been tapping
we could not have been tapping
you could not have been tapping
they could not have been tapping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I tap?
could you tap?
could he tap?
could we tap?
could you tap?
could they tap? 	could I be tapping?
could you be tapping?
could he be tapping?
could we be tapping?
could you be tapping?
could they be tapping? 	could I have tapped?
could you have tapped?
could he have tapped?
could we have tapped?
could you have tapped?
could they have tapped? 	could I have been tapping?
could you have been tapping?
could he have been tapping?
could we have been tapping?
could you have been tapping?
could they have been tapping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not tap?
could you not tap?
could he not tap?
could we not tap?
could you not tap?
could they not tap? 	could I not be tapping?
could you not be tapping?
could he not be tapping?
could we not be tapping?
could you not be tapping?
could they not be tapping? 	could I not have tapped?
could you not have tapped?
could he not have tapped?
could we not have tapped?
could you not have tapped?
could they not have tapped? 	could I not have been tapping?
could you not have been tapping?
could he not have been tapping?
could we not have been tapping?
could you not have been tapping?
could they not have been tapping?