could hydrogenise
Verbo regular: hydrogenise - hydrogenised- hydrogenised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could hydrogenise
you could hydrogenise
he could hydrogenise
we could hydrogenise
you could hydrogenise
they could hydrogenise 	I could be hydrogenising
you could be hydrogenising
he could be hydrogenising
we could be hydrogenising
you could be hydrogenising
they could be hydrogenising	I could have hydrogenised
you could have hydrogenised
he could have hydrogenised
we could have hydrogenised
you could have hydrogenised
they could have hydrogenised	I could have been hydrogenising
you could have been hydrogenising
he could have been hydrogenising
we could have been hydrogenising
you could have been hydrogenising
they could have been hydrogenising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not hydrogenise
you could not hydrogenise
he could not hydrogenise
we could not hydrogenise
you could not hydrogenise
they could not hydrogenise 	I could not be hydrogenising
you could not be hydrogenising
he could not be hydrogenising
we could not be hydrogenising
you could not be hydrogenising
they could not be hydrogenising	I could not have hydrogenised
you could not have hydrogenised
he could not have hydrogenised
we could not have hydrogenised
you could not have hydrogenised
they could not have hydrogenised	I could not have been hydrogenising
you could not have been hydrogenising
he could not have been hydrogenising
we could not have been hydrogenising
you could not have been hydrogenising
they could not have been hydrogenising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I hydrogenise?
could you hydrogenise?
could he hydrogenise?
could we hydrogenise?
could you hydrogenise?
could they hydrogenise? 	could I be hydrogenising?
could you be hydrogenising?
could he be hydrogenising?
could we be hydrogenising?
could you be hydrogenising?
could they be hydrogenising? 	could I have hydrogenised?
could you have hydrogenised?
could he have hydrogenised?
could we have hydrogenised?
could you have hydrogenised?
could they have hydrogenised? 	could I have been hydrogenising?
could you have been hydrogenising?
could he have been hydrogenising?
could we have been hydrogenising?
could you have been hydrogenising?
could they have been hydrogenising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not hydrogenise?
could you not hydrogenise?
could he not hydrogenise?
could we not hydrogenise?
could you not hydrogenise?
could they not hydrogenise? 	could I not be hydrogenising?
could you not be hydrogenising?
could he not be hydrogenising?
could we not be hydrogenising?
could you not be hydrogenising?
could they not be hydrogenising? 	could I not have hydrogenised?
could you not have hydrogenised?
could he not have hydrogenised?
could we not have hydrogenised?
could you not have hydrogenised?
could they not have hydrogenised? 	could I not have been hydrogenising?
could you not have been hydrogenising?
could he not have been hydrogenising?
could we not have been hydrogenising?
could you not have been hydrogenising?
could they not have been hydrogenising?