could frolic
Verbo regular: frolic - froliced- froliced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could frolic
you could frolic
he could frolic
we could frolic
you could frolic
they could frolic 	I could be frolicing
you could be frolicing
he could be frolicing
we could be frolicing
you could be frolicing
they could be frolicing	I could have froliced
you could have froliced
he could have froliced
we could have froliced
you could have froliced
they could have froliced	I could have been frolicing
you could have been frolicing
he could have been frolicing
we could have been frolicing
you could have been frolicing
they could have been frolicing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't frolic
you couldn't frolic
he couldn't frolic
we couldn't frolic
you couldn't frolic
they couldn't frolic 	I couldn't be frolicing
you couldn't be frolicing
he couldn't be frolicing
we couldn't be frolicing
you couldn't be frolicing
they couldn't be frolicing	I couldn't have froliced
you couldn't have froliced
he couldn't have froliced
we couldn't have froliced
you couldn't have froliced
they couldn't have froliced	I couldn't have been frolicing
you couldn't have been frolicing
he couldn't have been frolicing
we couldn't have been frolicing
you couldn't have been frolicing
they couldn't have been frolicing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I frolic?
could you frolic?
could he frolic?
could we frolic?
could you frolic?
could they frolic? 	could I be frolicing?
could you be frolicing?
could he be frolicing?
could we be frolicing?
could you be frolicing?
could they be frolicing? 	could I have froliced?
could you have froliced?
could he have froliced?
could we have froliced?
could you have froliced?
could they have froliced? 	could I have been frolicing?
could you have been frolicing?
could he have been frolicing?
could we have been frolicing?
could you have been frolicing?
could they have been frolicing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I frolic?
couldn't you frolic?
couldn't he frolic?
couldn't we frolic?
couldn't you frolic?
couldn't they frolic? 	couldn't I be frolicing?
couldn't you be frolicing?
couldn't he be frolicing?
couldn't we be frolicing?
couldn't you be frolicing?
couldn't they be frolicing? 	couldn't I have froliced?
couldn't you have froliced?
couldn't he have froliced?
couldn't we have froliced?
couldn't you have froliced?
couldn't they have froliced? 	couldn't I have been frolicing?
couldn't you have been frolicing?
couldn't he have been frolicing?
couldn't we have been frolicing?
couldn't you have been frolicing?
couldn't they have been frolicing?