could deionise
Regular verb: deionise - deionised- deionised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could deionise
you could deionise
she could deionise
we could deionise
you could deionise
they could deionise 	I could be deionising
you could be deionising
she could be deionising
we could be deionising
you could be deionising
they could be deionising	I could have deionised
you could have deionised
she could have deionised
we could have deionised
you could have deionised
they could have deionised	I could have been deionising
you could have been deionising
she could have been deionising
we could have been deionising
you could have been deionising
they could have been deionising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't deionise
you couldn't deionise
she couldn't deionise
we couldn't deionise
you couldn't deionise
they couldn't deionise 	I couldn't be deionising
you couldn't be deionising
she couldn't be deionising
we couldn't be deionising
you couldn't be deionising
they couldn't be deionising	I couldn't have deionised
you couldn't have deionised
she couldn't have deionised
we couldn't have deionised
you couldn't have deionised
they couldn't have deionised	I couldn't have been deionising
you couldn't have been deionising
she couldn't have been deionising
we couldn't have been deionising
you couldn't have been deionising
they couldn't have been deionising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I deionise?
could you deionise?
could she deionise?
could we deionise?
could you deionise?
could they deionise? 	could I be deionising?
could you be deionising?
could she be deionising?
could we be deionising?
could you be deionising?
could they be deionising? 	could I have deionised?
could you have deionised?
could she have deionised?
could we have deionised?
could you have deionised?
could they have deionised? 	could I have been deionising?
could you have been deionising?
could she have been deionising?
could we have been deionising?
could you have been deionising?
could they have been deionising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I deionise?
couldn't you deionise?
couldn't she deionise?
couldn't we deionise?
couldn't you deionise?
couldn't they deionise? 	couldn't I be deionising?
couldn't you be deionising?
couldn't she be deionising?
couldn't we be deionising?
couldn't you be deionising?
couldn't they be deionising? 	couldn't I have deionised?
couldn't you have deionised?
couldn't she have deionised?
couldn't we have deionised?
couldn't you have deionised?
couldn't they have deionised? 	couldn't I have been deionising?
couldn't you have been deionising?
couldn't she have been deionising?
couldn't we have been deionising?
couldn't you have been deionising?
couldn't they have been deionising?