could pinnacle
Verbo regular: pinnacle - pinnacled- pinnacled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could pinnacle
you could pinnacle
he could pinnacle
we could pinnacle
you could pinnacle
they could pinnacle 	I could be pinnacling
you could be pinnacling
he could be pinnacling
we could be pinnacling
you could be pinnacling
they could be pinnacling	I could have pinnacled
you could have pinnacled
he could have pinnacled
we could have pinnacled
you could have pinnacled
they could have pinnacled	I could have been pinnacling
you could have been pinnacling
he could have been pinnacling
we could have been pinnacling
you could have been pinnacling
they could have been pinnacling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not pinnacle
you could not pinnacle
he could not pinnacle
we could not pinnacle
you could not pinnacle
they could not pinnacle 	I could not be pinnacling
you could not be pinnacling
he could not be pinnacling
we could not be pinnacling
you could not be pinnacling
they could not be pinnacling	I could not have pinnacled
you could not have pinnacled
he could not have pinnacled
we could not have pinnacled
you could not have pinnacled
they could not have pinnacled	I could not have been pinnacling
you could not have been pinnacling
he could not have been pinnacling
we could not have been pinnacling
you could not have been pinnacling
they could not have been pinnacling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I pinnacle?
could you pinnacle?
could he pinnacle?
could we pinnacle?
could you pinnacle?
could they pinnacle? 	could I be pinnacling?
could you be pinnacling?
could he be pinnacling?
could we be pinnacling?
could you be pinnacling?
could they be pinnacling? 	could I have pinnacled?
could you have pinnacled?
could he have pinnacled?
could we have pinnacled?
could you have pinnacled?
could they have pinnacled? 	could I have been pinnacling?
could you have been pinnacling?
could he have been pinnacling?
could we have been pinnacling?
could you have been pinnacling?
could they have been pinnacling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not pinnacle?
could you not pinnacle?
could he not pinnacle?
could we not pinnacle?
could you not pinnacle?
could they not pinnacle? 	could I not be pinnacling?
could you not be pinnacling?
could he not be pinnacling?
could we not be pinnacling?
could you not be pinnacling?
could they not be pinnacling? 	could I not have pinnacled?
could you not have pinnacled?
could he not have pinnacled?
could we not have pinnacled?
could you not have pinnacled?
could they not have pinnacled? 	could I not have been pinnacling?
could you not have been pinnacling?
could he not have been pinnacling?
could we not have been pinnacling?
could you not have been pinnacling?
could they not have been pinnacling?