could sprout
Verbo regular: sprout - sprouted- sprouted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could sprout
you could sprout
he could sprout
we could sprout
you could sprout
they could sprout 	I could be sprouting
you could be sprouting
he could be sprouting
we could be sprouting
you could be sprouting
they could be sprouting	I could have sprouted
you could have sprouted
he could have sprouted
we could have sprouted
you could have sprouted
they could have sprouted	I could have been sprouting
you could have been sprouting
he could have been sprouting
we could have been sprouting
you could have been sprouting
they could have been sprouting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't sprout
you couldn't sprout
he couldn't sprout
we couldn't sprout
you couldn't sprout
they couldn't sprout 	I couldn't be sprouting
you couldn't be sprouting
he couldn't be sprouting
we couldn't be sprouting
you couldn't be sprouting
they couldn't be sprouting	I couldn't have sprouted
you couldn't have sprouted
he couldn't have sprouted
we couldn't have sprouted
you couldn't have sprouted
they couldn't have sprouted	I couldn't have been sprouting
you couldn't have been sprouting
he couldn't have been sprouting
we couldn't have been sprouting
you couldn't have been sprouting
they couldn't have been sprouting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I sprout?
could you sprout?
could he sprout?
could we sprout?
could you sprout?
could they sprout? 	could I be sprouting?
could you be sprouting?
could he be sprouting?
could we be sprouting?
could you be sprouting?
could they be sprouting? 	could I have sprouted?
could you have sprouted?
could he have sprouted?
could we have sprouted?
could you have sprouted?
could they have sprouted? 	could I have been sprouting?
could you have been sprouting?
could he have been sprouting?
could we have been sprouting?
could you have been sprouting?
could they have been sprouting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I sprout?
couldn't you sprout?
couldn't he sprout?
couldn't we sprout?
couldn't you sprout?
couldn't they sprout? 	couldn't I be sprouting?
couldn't you be sprouting?
couldn't he be sprouting?
couldn't we be sprouting?
couldn't you be sprouting?
couldn't they be sprouting? 	couldn't I have sprouted?
couldn't you have sprouted?
couldn't he have sprouted?
couldn't we have sprouted?
couldn't you have sprouted?
couldn't they have sprouted? 	couldn't I have been sprouting?
couldn't you have been sprouting?
couldn't he have been sprouting?
couldn't we have been sprouting?
couldn't you have been sprouting?
couldn't they have been sprouting?