could cachinnate
Verbo regular: cachinnate - cachinnated- cachinnated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could cachinnate
you could cachinnate
he could cachinnate
we could cachinnate
you could cachinnate
they could cachinnate 	I could be cachinnating
you could be cachinnating
he could be cachinnating
we could be cachinnating
you could be cachinnating
they could be cachinnating	I could have cachinnated
you could have cachinnated
he could have cachinnated
we could have cachinnated
you could have cachinnated
they could have cachinnated	I could have been cachinnating
you could have been cachinnating
he could have been cachinnating
we could have been cachinnating
you could have been cachinnating
they could have been cachinnating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not cachinnate
you could not cachinnate
he could not cachinnate
we could not cachinnate
you could not cachinnate
they could not cachinnate 	I could not be cachinnating
you could not be cachinnating
he could not be cachinnating
we could not be cachinnating
you could not be cachinnating
they could not be cachinnating	I could not have cachinnated
you could not have cachinnated
he could not have cachinnated
we could not have cachinnated
you could not have cachinnated
they could not have cachinnated	I could not have been cachinnating
you could not have been cachinnating
he could not have been cachinnating
we could not have been cachinnating
you could not have been cachinnating
they could not have been cachinnating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I cachinnate?
could you cachinnate?
could he cachinnate?
could we cachinnate?
could you cachinnate?
could they cachinnate? 	could I be cachinnating?
could you be cachinnating?
could he be cachinnating?
could we be cachinnating?
could you be cachinnating?
could they be cachinnating? 	could I have cachinnated?
could you have cachinnated?
could he have cachinnated?
could we have cachinnated?
could you have cachinnated?
could they have cachinnated? 	could I have been cachinnating?
could you have been cachinnating?
could he have been cachinnating?
could we have been cachinnating?
could you have been cachinnating?
could they have been cachinnating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not cachinnate?
could you not cachinnate?
could he not cachinnate?
could we not cachinnate?
could you not cachinnate?
could they not cachinnate? 	could I not be cachinnating?
could you not be cachinnating?
could he not be cachinnating?
could we not be cachinnating?
could you not be cachinnating?
could they not be cachinnating? 	could I not have cachinnated?
could you not have cachinnated?
could he not have cachinnated?
could we not have cachinnated?
could you not have cachinnated?
could they not have cachinnated? 	could I not have been cachinnating?
could you not have been cachinnating?
could he not have been cachinnating?
could we not have been cachinnating?
could you not have been cachinnating?
could they not have been cachinnating?