could tart
Verbo regular: tart - tarted- tarted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could tart
you could tart
he could tart
we could tart
you could tart
they could tart 	I could be tarting
you could be tarting
he could be tarting
we could be tarting
you could be tarting
they could be tarting	I could have tarted
you could have tarted
he could have tarted
we could have tarted
you could have tarted
they could have tarted	I could have been tarting
you could have been tarting
he could have been tarting
we could have been tarting
you could have been tarting
they could have been tarting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not tart
you could not tart
he could not tart
we could not tart
you could not tart
they could not tart 	I could not be tarting
you could not be tarting
he could not be tarting
we could not be tarting
you could not be tarting
they could not be tarting	I could not have tarted
you could not have tarted
he could not have tarted
we could not have tarted
you could not have tarted
they could not have tarted	I could not have been tarting
you could not have been tarting
he could not have been tarting
we could not have been tarting
you could not have been tarting
they could not have been tarting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I tart?
could you tart?
could he tart?
could we tart?
could you tart?
could they tart? 	could I be tarting?
could you be tarting?
could he be tarting?
could we be tarting?
could you be tarting?
could they be tarting? 	could I have tarted?
could you have tarted?
could he have tarted?
could we have tarted?
could you have tarted?
could they have tarted? 	could I have been tarting?
could you have been tarting?
could he have been tarting?
could we have been tarting?
could you have been tarting?
could they have been tarting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not tart?
could you not tart?
could he not tart?
could we not tart?
could you not tart?
could they not tart? 	could I not be tarting?
could you not be tarting?
could he not be tarting?
could we not be tarting?
could you not be tarting?
could they not be tarting? 	could I not have tarted?
could you not have tarted?
could he not have tarted?
could we not have tarted?
could you not have tarted?
could they not have tarted? 	could I not have been tarting?
could you not have been tarting?
could he not have been tarting?
could we not have been tarting?
could you not have been tarting?
could they not have been tarting?