could demagnetise
Regular verb: demagnetise - demagnetised- demagnetised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could demagnetise
you could demagnetise
he could demagnetise
we could demagnetise
you could demagnetise
they could demagnetise 	I could be demagnetising
you could be demagnetising
he could be demagnetising
we could be demagnetising
you could be demagnetising
they could be demagnetising	I could have demagnetised
you could have demagnetised
he could have demagnetised
we could have demagnetised
you could have demagnetised
they could have demagnetised	I could have been demagnetising
you could have been demagnetising
he could have been demagnetising
we could have been demagnetising
you could have been demagnetising
they could have been demagnetising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't demagnetise
you couldn't demagnetise
he couldn't demagnetise
we couldn't demagnetise
you couldn't demagnetise
they couldn't demagnetise 	I couldn't be demagnetising
you couldn't be demagnetising
he couldn't be demagnetising
we couldn't be demagnetising
you couldn't be demagnetising
they couldn't be demagnetising	I couldn't have demagnetised
you couldn't have demagnetised
he couldn't have demagnetised
we couldn't have demagnetised
you couldn't have demagnetised
they couldn't have demagnetised	I couldn't have been demagnetising
you couldn't have been demagnetising
he couldn't have been demagnetising
we couldn't have been demagnetising
you couldn't have been demagnetising
they couldn't have been demagnetising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I demagnetise?
could you demagnetise?
could he demagnetise?
could we demagnetise?
could you demagnetise?
could they demagnetise? 	could I be demagnetising?
could you be demagnetising?
could he be demagnetising?
could we be demagnetising?
could you be demagnetising?
could they be demagnetising? 	could I have demagnetised?
could you have demagnetised?
could he have demagnetised?
could we have demagnetised?
could you have demagnetised?
could they have demagnetised? 	could I have been demagnetising?
could you have been demagnetising?
could he have been demagnetising?
could we have been demagnetising?
could you have been demagnetising?
could they have been demagnetising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I demagnetise?
couldn't you demagnetise?
couldn't he demagnetise?
couldn't we demagnetise?
couldn't you demagnetise?
couldn't they demagnetise? 	couldn't I be demagnetising?
couldn't you be demagnetising?
couldn't he be demagnetising?
couldn't we be demagnetising?
couldn't you be demagnetising?
couldn't they be demagnetising? 	couldn't I have demagnetised?
couldn't you have demagnetised?
couldn't he have demagnetised?
couldn't we have demagnetised?
couldn't you have demagnetised?
couldn't they have demagnetised? 	couldn't I have been demagnetising?
couldn't you have been demagnetising?
couldn't he have been demagnetising?
couldn't we have been demagnetising?
couldn't you have been demagnetising?
couldn't they have been demagnetising?