could spar
Verbo regolare: spar - sparred- sparred

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could spar
you could spar
he could spar
we could spar
you could spar
they could spar 	I could be sparring
you could be sparring
he could be sparring
we could be sparring
you could be sparring
they could be sparring	I could have sparred
you could have sparred
he could have sparred
we could have sparred
you could have sparred
they could have sparred	I could have been sparring
you could have been sparring
he could have been sparring
we could have been sparring
you could have been sparring
they could have been sparring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't spar
you couldn't spar
he couldn't spar
we couldn't spar
you couldn't spar
they couldn't spar 	I couldn't be sparring
you couldn't be sparring
he couldn't be sparring
we couldn't be sparring
you couldn't be sparring
they couldn't be sparring	I couldn't have sparred
you couldn't have sparred
he couldn't have sparred
we couldn't have sparred
you couldn't have sparred
they couldn't have sparred	I couldn't have been sparring
you couldn't have been sparring
he couldn't have been sparring
we couldn't have been sparring
you couldn't have been sparring
they couldn't have been sparring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I spar?
could you spar?
could he spar?
could we spar?
could you spar?
could they spar? 	could I be sparring?
could you be sparring?
could he be sparring?
could we be sparring?
could you be sparring?
could they be sparring? 	could I have sparred?
could you have sparred?
could he have sparred?
could we have sparred?
could you have sparred?
could they have sparred? 	could I have been sparring?
could you have been sparring?
could he have been sparring?
could we have been sparring?
could you have been sparring?
could they have been sparring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I spar?
couldn't you spar?
couldn't he spar?
couldn't we spar?
couldn't you spar?
couldn't they spar? 	couldn't I be sparring?
couldn't you be sparring?
couldn't he be sparring?
couldn't we be sparring?
couldn't you be sparring?
couldn't they be sparring? 	couldn't I have sparred?
couldn't you have sparred?
couldn't he have sparred?
couldn't we have sparred?
couldn't you have sparred?
couldn't they have sparred? 	couldn't I have been sparring?
couldn't you have been sparring?
couldn't he have been sparring?
couldn't we have been sparring?
couldn't you have been sparring?
couldn't they have been sparring?