could mothball
Verbo regolare: mothball - mothballed- mothballed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could mothball
you could mothball
he could mothball
we could mothball
you could mothball
they could mothball 	I could be mothballing
you could be mothballing
he could be mothballing
we could be mothballing
you could be mothballing
they could be mothballing	I could have mothballed
you could have mothballed
he could have mothballed
we could have mothballed
you could have mothballed
they could have mothballed	I could have been mothballing
you could have been mothballing
he could have been mothballing
we could have been mothballing
you could have been mothballing
they could have been mothballing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't mothball
you couldn't mothball
he couldn't mothball
we couldn't mothball
you couldn't mothball
they couldn't mothball 	I couldn't be mothballing
you couldn't be mothballing
he couldn't be mothballing
we couldn't be mothballing
you couldn't be mothballing
they couldn't be mothballing	I couldn't have mothballed
you couldn't have mothballed
he couldn't have mothballed
we couldn't have mothballed
you couldn't have mothballed
they couldn't have mothballed	I couldn't have been mothballing
you couldn't have been mothballing
he couldn't have been mothballing
we couldn't have been mothballing
you couldn't have been mothballing
they couldn't have been mothballing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I mothball?
could you mothball?
could he mothball?
could we mothball?
could you mothball?
could they mothball? 	could I be mothballing?
could you be mothballing?
could he be mothballing?
could we be mothballing?
could you be mothballing?
could they be mothballing? 	could I have mothballed?
could you have mothballed?
could he have mothballed?
could we have mothballed?
could you have mothballed?
could they have mothballed? 	could I have been mothballing?
could you have been mothballing?
could he have been mothballing?
could we have been mothballing?
could you have been mothballing?
could they have been mothballing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I mothball?
couldn't you mothball?
couldn't he mothball?
couldn't we mothball?
couldn't you mothball?
couldn't they mothball? 	couldn't I be mothballing?
couldn't you be mothballing?
couldn't he be mothballing?
couldn't we be mothballing?
couldn't you be mothballing?
couldn't they be mothballing? 	couldn't I have mothballed?
couldn't you have mothballed?
couldn't he have mothballed?
couldn't we have mothballed?
couldn't you have mothballed?
couldn't they have mothballed? 	couldn't I have been mothballing?
couldn't you have been mothballing?
couldn't he have been mothballing?
couldn't we have been mothballing?
couldn't you have been mothballing?
couldn't they have been mothballing?