could metabolise
Regular verb: metabolise - metabolised- metabolised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could metabolise
you could metabolise
he could metabolise
we could metabolise
you could metabolise
they could metabolise 	I could be metabolising
you could be metabolising
he could be metabolising
we could be metabolising
you could be metabolising
they could be metabolising	I could have metabolised
you could have metabolised
he could have metabolised
we could have metabolised
you could have metabolised
they could have metabolised	I could have been metabolising
you could have been metabolising
he could have been metabolising
we could have been metabolising
you could have been metabolising
they could have been metabolising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not metabolise
you could not metabolise
he could not metabolise
we could not metabolise
you could not metabolise
they could not metabolise 	I could not be metabolising
you could not be metabolising
he could not be metabolising
we could not be metabolising
you could not be metabolising
they could not be metabolising	I could not have metabolised
you could not have metabolised
he could not have metabolised
we could not have metabolised
you could not have metabolised
they could not have metabolised	I could not have been metabolising
you could not have been metabolising
he could not have been metabolising
we could not have been metabolising
you could not have been metabolising
they could not have been metabolising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I metabolise?
could you metabolise?
could he metabolise?
could we metabolise?
could you metabolise?
could they metabolise? 	could I be metabolising?
could you be metabolising?
could he be metabolising?
could we be metabolising?
could you be metabolising?
could they be metabolising? 	could I have metabolised?
could you have metabolised?
could he have metabolised?
could we have metabolised?
could you have metabolised?
could they have metabolised? 	could I have been metabolising?
could you have been metabolising?
could he have been metabolising?
could we have been metabolising?
could you have been metabolising?
could they have been metabolising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not metabolise?
could you not metabolise?
could he not metabolise?
could we not metabolise?
could you not metabolise?
could they not metabolise? 	could I not be metabolising?
could you not be metabolising?
could he not be metabolising?
could we not be metabolising?
could you not be metabolising?
could they not be metabolising? 	could I not have metabolised?
could you not have metabolised?
could he not have metabolised?
could we not have metabolised?
could you not have metabolised?
could they not have metabolised? 	could I not have been metabolising?
could you not have been metabolising?
could he not have been metabolising?
could we not have been metabolising?
could you not have been metabolising?
could they not have been metabolising?