could reoxidise
Regular verb: reoxidise - reoxidised- reoxidised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could reoxidise
you could reoxidise
he could reoxidise
we could reoxidise
you could reoxidise
they could reoxidise 	I could be reoxidising
you could be reoxidising
he could be reoxidising
we could be reoxidising
you could be reoxidising
they could be reoxidising	I could have reoxidised
you could have reoxidised
he could have reoxidised
we could have reoxidised
you could have reoxidised
they could have reoxidised	I could have been reoxidising
you could have been reoxidising
he could have been reoxidising
we could have been reoxidising
you could have been reoxidising
they could have been reoxidising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't reoxidise
you couldn't reoxidise
he couldn't reoxidise
we couldn't reoxidise
you couldn't reoxidise
they couldn't reoxidise 	I couldn't be reoxidising
you couldn't be reoxidising
he couldn't be reoxidising
we couldn't be reoxidising
you couldn't be reoxidising
they couldn't be reoxidising	I couldn't have reoxidised
you couldn't have reoxidised
he couldn't have reoxidised
we couldn't have reoxidised
you couldn't have reoxidised
they couldn't have reoxidised	I couldn't have been reoxidising
you couldn't have been reoxidising
he couldn't have been reoxidising
we couldn't have been reoxidising
you couldn't have been reoxidising
they couldn't have been reoxidising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I reoxidise?
could you reoxidise?
could he reoxidise?
could we reoxidise?
could you reoxidise?
could they reoxidise? 	could I be reoxidising?
could you be reoxidising?
could he be reoxidising?
could we be reoxidising?
could you be reoxidising?
could they be reoxidising? 	could I have reoxidised?
could you have reoxidised?
could he have reoxidised?
could we have reoxidised?
could you have reoxidised?
could they have reoxidised? 	could I have been reoxidising?
could you have been reoxidising?
could he have been reoxidising?
could we have been reoxidising?
could you have been reoxidising?
could they have been reoxidising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I reoxidise?
couldn't you reoxidise?
couldn't he reoxidise?
couldn't we reoxidise?
couldn't you reoxidise?
couldn't they reoxidise? 	couldn't I be reoxidising?
couldn't you be reoxidising?
couldn't he be reoxidising?
couldn't we be reoxidising?
couldn't you be reoxidising?
couldn't they be reoxidising? 	couldn't I have reoxidised?
couldn't you have reoxidised?
couldn't he have reoxidised?
couldn't we have reoxidised?
couldn't you have reoxidised?
couldn't they have reoxidised? 	couldn't I have been reoxidising?
couldn't you have been reoxidising?
couldn't he have been reoxidising?
couldn't we have been reoxidising?
couldn't you have been reoxidising?
couldn't they have been reoxidising?