could undock
Verbo regular: undock - undocked- undocked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could undock
you could undock
he could undock
we could undock
you could undock
they could undock 	I could be undocking
you could be undocking
he could be undocking
we could be undocking
you could be undocking
they could be undocking	I could have undocked
you could have undocked
he could have undocked
we could have undocked
you could have undocked
they could have undocked	I could have been undocking
you could have been undocking
he could have been undocking
we could have been undocking
you could have been undocking
they could have been undocking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't undock
you couldn't undock
he couldn't undock
we couldn't undock
you couldn't undock
they couldn't undock 	I couldn't be undocking
you couldn't be undocking
he couldn't be undocking
we couldn't be undocking
you couldn't be undocking
they couldn't be undocking	I couldn't have undocked
you couldn't have undocked
he couldn't have undocked
we couldn't have undocked
you couldn't have undocked
they couldn't have undocked	I couldn't have been undocking
you couldn't have been undocking
he couldn't have been undocking
we couldn't have been undocking
you couldn't have been undocking
they couldn't have been undocking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I undock?
could you undock?
could he undock?
could we undock?
could you undock?
could they undock? 	could I be undocking?
could you be undocking?
could he be undocking?
could we be undocking?
could you be undocking?
could they be undocking? 	could I have undocked?
could you have undocked?
could he have undocked?
could we have undocked?
could you have undocked?
could they have undocked? 	could I have been undocking?
could you have been undocking?
could he have been undocking?
could we have been undocking?
could you have been undocking?
could they have been undocking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I undock?
couldn't you undock?
couldn't he undock?
couldn't we undock?
couldn't you undock?
couldn't they undock? 	couldn't I be undocking?
couldn't you be undocking?
couldn't he be undocking?
couldn't we be undocking?
couldn't you be undocking?
couldn't they be undocking? 	couldn't I have undocked?
couldn't you have undocked?
couldn't he have undocked?
couldn't we have undocked?
couldn't you have undocked?
couldn't they have undocked? 	couldn't I have been undocking?
couldn't you have been undocking?
couldn't he have been undocking?
couldn't we have been undocking?
couldn't you have been undocking?
couldn't they have been undocking?