could swan
Verbo regolare: swan - swaned- swaned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could swan
you could swan
he could swan
we could swan
you could swan
they could swan 	I could be swaning
you could be swaning
he could be swaning
we could be swaning
you could be swaning
they could be swaning	I could have swaned
you could have swaned
he could have swaned
we could have swaned
you could have swaned
they could have swaned	I could have been swaning
you could have been swaning
he could have been swaning
we could have been swaning
you could have been swaning
they could have been swaning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't swan
you couldn't swan
he couldn't swan
we couldn't swan
you couldn't swan
they couldn't swan 	I couldn't be swaning
you couldn't be swaning
he couldn't be swaning
we couldn't be swaning
you couldn't be swaning
they couldn't be swaning	I couldn't have swaned
you couldn't have swaned
he couldn't have swaned
we couldn't have swaned
you couldn't have swaned
they couldn't have swaned	I couldn't have been swaning
you couldn't have been swaning
he couldn't have been swaning
we couldn't have been swaning
you couldn't have been swaning
they couldn't have been swaning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I swan?
could you swan?
could he swan?
could we swan?
could you swan?
could they swan? 	could I be swaning?
could you be swaning?
could he be swaning?
could we be swaning?
could you be swaning?
could they be swaning? 	could I have swaned?
could you have swaned?
could he have swaned?
could we have swaned?
could you have swaned?
could they have swaned? 	could I have been swaning?
could you have been swaning?
could he have been swaning?
could we have been swaning?
could you have been swaning?
could they have been swaning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I swan?
couldn't you swan?
couldn't he swan?
couldn't we swan?
couldn't you swan?
couldn't they swan? 	couldn't I be swaning?
couldn't you be swaning?
couldn't he be swaning?
couldn't we be swaning?
couldn't you be swaning?
couldn't they be swaning? 	couldn't I have swaned?
couldn't you have swaned?
couldn't he have swaned?
couldn't we have swaned?
couldn't you have swaned?
couldn't they have swaned? 	couldn't I have been swaning?
couldn't you have been swaning?
couldn't he have been swaning?
couldn't we have been swaning?
couldn't you have been swaning?
couldn't they have been swaning?