could guarantee
Verbo regular: guarantee - guaranteed- guaranteed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could guarantee
you could guarantee
he could guarantee
we could guarantee
you could guarantee
they could guarantee 	I could be guaranteeing
you could be guaranteeing
he could be guaranteeing
we could be guaranteeing
you could be guaranteeing
they could be guaranteeing	I could have guaranteed
you could have guaranteed
he could have guaranteed
we could have guaranteed
you could have guaranteed
they could have guaranteed	I could have been guaranteeing
you could have been guaranteeing
he could have been guaranteeing
we could have been guaranteeing
you could have been guaranteeing
they could have been guaranteeing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not guarantee
you could not guarantee
he could not guarantee
we could not guarantee
you could not guarantee
they could not guarantee 	I could not be guaranteeing
you could not be guaranteeing
he could not be guaranteeing
we could not be guaranteeing
you could not be guaranteeing
they could not be guaranteeing	I could not have guaranteed
you could not have guaranteed
he could not have guaranteed
we could not have guaranteed
you could not have guaranteed
they could not have guaranteed	I could not have been guaranteeing
you could not have been guaranteeing
he could not have been guaranteeing
we could not have been guaranteeing
you could not have been guaranteeing
they could not have been guaranteeing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I guarantee?
could you guarantee?
could he guarantee?
could we guarantee?
could you guarantee?
could they guarantee? 	could I be guaranteeing?
could you be guaranteeing?
could he be guaranteeing?
could we be guaranteeing?
could you be guaranteeing?
could they be guaranteeing? 	could I have guaranteed?
could you have guaranteed?
could he have guaranteed?
could we have guaranteed?
could you have guaranteed?
could they have guaranteed? 	could I have been guaranteeing?
could you have been guaranteeing?
could he have been guaranteeing?
could we have been guaranteeing?
could you have been guaranteeing?
could they have been guaranteeing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not guarantee?
could you not guarantee?
could he not guarantee?
could we not guarantee?
could you not guarantee?
could they not guarantee? 	could I not be guaranteeing?
could you not be guaranteeing?
could he not be guaranteeing?
could we not be guaranteeing?
could you not be guaranteeing?
could they not be guaranteeing? 	could I not have guaranteed?
could you not have guaranteed?
could he not have guaranteed?
could we not have guaranteed?
could you not have guaranteed?
could they not have guaranteed? 	could I not have been guaranteeing?
could you not have been guaranteeing?
could he not have been guaranteeing?
could we not have been guaranteeing?
could you not have been guaranteeing?
could they not have been guaranteeing?