could neutralise
Regular verb: neutralise - neutralised- neutralised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could neutralise
you could neutralise
she could neutralise
we could neutralise
you could neutralise
they could neutralise 	I could be neutralising
you could be neutralising
she could be neutralising
we could be neutralising
you could be neutralising
they could be neutralising	I could have neutralised
you could have neutralised
she could have neutralised
we could have neutralised
you could have neutralised
they could have neutralised	I could have been neutralising
you could have been neutralising
she could have been neutralising
we could have been neutralising
you could have been neutralising
they could have been neutralising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't neutralise
you couldn't neutralise
she couldn't neutralise
we couldn't neutralise
you couldn't neutralise
they couldn't neutralise 	I couldn't be neutralising
you couldn't be neutralising
she couldn't be neutralising
we couldn't be neutralising
you couldn't be neutralising
they couldn't be neutralising	I couldn't have neutralised
you couldn't have neutralised
she couldn't have neutralised
we couldn't have neutralised
you couldn't have neutralised
they couldn't have neutralised	I couldn't have been neutralising
you couldn't have been neutralising
she couldn't have been neutralising
we couldn't have been neutralising
you couldn't have been neutralising
they couldn't have been neutralising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I neutralise?
could you neutralise?
could she neutralise?
could we neutralise?
could you neutralise?
could they neutralise? 	could I be neutralising?
could you be neutralising?
could she be neutralising?
could we be neutralising?
could you be neutralising?
could they be neutralising? 	could I have neutralised?
could you have neutralised?
could she have neutralised?
could we have neutralised?
could you have neutralised?
could they have neutralised? 	could I have been neutralising?
could you have been neutralising?
could she have been neutralising?
could we have been neutralising?
could you have been neutralising?
could they have been neutralising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I neutralise?
couldn't you neutralise?
couldn't she neutralise?
couldn't we neutralise?
couldn't you neutralise?
couldn't they neutralise? 	couldn't I be neutralising?
couldn't you be neutralising?
couldn't she be neutralising?
couldn't we be neutralising?
couldn't you be neutralising?
couldn't they be neutralising? 	couldn't I have neutralised?
couldn't you have neutralised?
couldn't she have neutralised?
couldn't we have neutralised?
couldn't you have neutralised?
couldn't they have neutralised? 	couldn't I have been neutralising?
couldn't you have been neutralising?
couldn't she have been neutralising?
couldn't we have been neutralising?
couldn't you have been neutralising?
couldn't they have been neutralising?