could stop
Verbo regolare: stop - stopped- stopped

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could stop
you could stop
he could stop
we could stop
you could stop
they could stop 	I could be stopping
you could be stopping
he could be stopping
we could be stopping
you could be stopping
they could be stopping	I could have stopped
you could have stopped
he could have stopped
we could have stopped
you could have stopped
they could have stopped	I could have been stopping
you could have been stopping
he could have been stopping
we could have been stopping
you could have been stopping
they could have been stopping	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't stop
you couldn't stop
he couldn't stop
we couldn't stop
you couldn't stop
they couldn't stop 	I couldn't be stopping
you couldn't be stopping
he couldn't be stopping
we couldn't be stopping
you couldn't be stopping
they couldn't be stopping	I couldn't have stopped
you couldn't have stopped
he couldn't have stopped
we couldn't have stopped
you couldn't have stopped
they couldn't have stopped	I couldn't have been stopping
you couldn't have been stopping
he couldn't have been stopping
we couldn't have been stopping
you couldn't have been stopping
they couldn't have been stopping	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I stop?
could you stop?
could he stop?
could we stop?
could you stop?
could they stop? 	could I be stopping?
could you be stopping?
could he be stopping?
could we be stopping?
could you be stopping?
could they be stopping? 	could I have stopped?
could you have stopped?
could he have stopped?
could we have stopped?
could you have stopped?
could they have stopped? 	could I have been stopping?
could you have been stopping?
could he have been stopping?
could we have been stopping?
could you have been stopping?
could they have been stopping? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I stop?
couldn't you stop?
couldn't he stop?
couldn't we stop?
couldn't you stop?
couldn't they stop? 	couldn't I be stopping?
couldn't you be stopping?
couldn't he be stopping?
couldn't we be stopping?
couldn't you be stopping?
couldn't they be stopping? 	couldn't I have stopped?
couldn't you have stopped?
couldn't he have stopped?
couldn't we have stopped?
couldn't you have stopped?
couldn't they have stopped? 	couldn't I have been stopping?
couldn't you have been stopping?
couldn't he have been stopping?
couldn't we have been stopping?
couldn't you have been stopping?
couldn't they have been stopping?