could chart
Verbo regular: chart - charted- charted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could chart
you could chart
he could chart
we could chart
you could chart
they could chart 	I could be charting
you could be charting
he could be charting
we could be charting
you could be charting
they could be charting	I could have charted
you could have charted
he could have charted
we could have charted
you could have charted
they could have charted	I could have been charting
you could have been charting
he could have been charting
we could have been charting
you could have been charting
they could have been charting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not chart
you could not chart
he could not chart
we could not chart
you could not chart
they could not chart 	I could not be charting
you could not be charting
he could not be charting
we could not be charting
you could not be charting
they could not be charting	I could not have charted
you could not have charted
he could not have charted
we could not have charted
you could not have charted
they could not have charted	I could not have been charting
you could not have been charting
he could not have been charting
we could not have been charting
you could not have been charting
they could not have been charting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I chart?
could you chart?
could he chart?
could we chart?
could you chart?
could they chart? 	could I be charting?
could you be charting?
could he be charting?
could we be charting?
could you be charting?
could they be charting? 	could I have charted?
could you have charted?
could he have charted?
could we have charted?
could you have charted?
could they have charted? 	could I have been charting?
could you have been charting?
could he have been charting?
could we have been charting?
could you have been charting?
could they have been charting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not chart?
could you not chart?
could he not chart?
could we not chart?
could you not chart?
could they not chart? 	could I not be charting?
could you not be charting?
could he not be charting?
could we not be charting?
could you not be charting?
could they not be charting? 	could I not have charted?
could you not have charted?
could he not have charted?
could we not have charted?
could you not have charted?
could they not have charted? 	could I not have been charting?
could you not have been charting?
could he not have been charting?
could we not have been charting?
could you not have been charting?
could they not have been charting?