could tab
Verbo regolare: tab - tabed- tabed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could tab
you could tab
he could tab
we could tab
you could tab
they could tab 	I could be tabing
you could be tabing
he could be tabing
we could be tabing
you could be tabing
they could be tabing	I could have tabed
you could have tabed
he could have tabed
we could have tabed
you could have tabed
they could have tabed	I could have been tabing
you could have been tabing
he could have been tabing
we could have been tabing
you could have been tabing
they could have been tabing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't tab
you couldn't tab
he couldn't tab
we couldn't tab
you couldn't tab
they couldn't tab 	I couldn't be tabing
you couldn't be tabing
he couldn't be tabing
we couldn't be tabing
you couldn't be tabing
they couldn't be tabing	I couldn't have tabed
you couldn't have tabed
he couldn't have tabed
we couldn't have tabed
you couldn't have tabed
they couldn't have tabed	I couldn't have been tabing
you couldn't have been tabing
he couldn't have been tabing
we couldn't have been tabing
you couldn't have been tabing
they couldn't have been tabing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I tab?
could you tab?
could he tab?
could we tab?
could you tab?
could they tab? 	could I be tabing?
could you be tabing?
could he be tabing?
could we be tabing?
could you be tabing?
could they be tabing? 	could I have tabed?
could you have tabed?
could he have tabed?
could we have tabed?
could you have tabed?
could they have tabed? 	could I have been tabing?
could you have been tabing?
could he have been tabing?
could we have been tabing?
could you have been tabing?
could they have been tabing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I tab?
couldn't you tab?
couldn't he tab?
couldn't we tab?
couldn't you tab?
couldn't they tab? 	couldn't I be tabing?
couldn't you be tabing?
couldn't he be tabing?
couldn't we be tabing?
couldn't you be tabing?
couldn't they be tabing? 	couldn't I have tabed?
couldn't you have tabed?
couldn't he have tabed?
couldn't we have tabed?
couldn't you have tabed?
couldn't they have tabed? 	couldn't I have been tabing?
couldn't you have been tabing?
couldn't he have been tabing?
couldn't we have been tabing?
couldn't you have been tabing?
couldn't they have been tabing?