could metalise
Regular verb: metalise - metalised- metalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could metalise
you could metalise
she could metalise
we could metalise
you could metalise
they could metalise 	I could be metalising
you could be metalising
she could be metalising
we could be metalising
you could be metalising
they could be metalising	I could have metalised
you could have metalised
she could have metalised
we could have metalised
you could have metalised
they could have metalised	I could have been metalising
you could have been metalising
she could have been metalising
we could have been metalising
you could have been metalising
they could have been metalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't metalise
you couldn't metalise
she couldn't metalise
we couldn't metalise
you couldn't metalise
they couldn't metalise 	I couldn't be metalising
you couldn't be metalising
she couldn't be metalising
we couldn't be metalising
you couldn't be metalising
they couldn't be metalising	I couldn't have metalised
you couldn't have metalised
she couldn't have metalised
we couldn't have metalised
you couldn't have metalised
they couldn't have metalised	I couldn't have been metalising
you couldn't have been metalising
she couldn't have been metalising
we couldn't have been metalising
you couldn't have been metalising
they couldn't have been metalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I metalise?
could you metalise?
could she metalise?
could we metalise?
could you metalise?
could they metalise? 	could I be metalising?
could you be metalising?
could she be metalising?
could we be metalising?
could you be metalising?
could they be metalising? 	could I have metalised?
could you have metalised?
could she have metalised?
could we have metalised?
could you have metalised?
could they have metalised? 	could I have been metalising?
could you have been metalising?
could she have been metalising?
could we have been metalising?
could you have been metalising?
could they have been metalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I metalise?
couldn't you metalise?
couldn't she metalise?
couldn't we metalise?
couldn't you metalise?
couldn't they metalise? 	couldn't I be metalising?
couldn't you be metalising?
couldn't she be metalising?
couldn't we be metalising?
couldn't you be metalising?
couldn't they be metalising? 	couldn't I have metalised?
couldn't you have metalised?
couldn't she have metalised?
couldn't we have metalised?
couldn't you have metalised?
couldn't they have metalised? 	couldn't I have been metalising?
couldn't you have been metalising?
couldn't she have been metalising?
couldn't we have been metalising?
couldn't you have been metalising?
couldn't they have been metalising?