could fluidise
Regular verb: fluidise - fluidised- fluidised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could fluidise
you could fluidise
he could fluidise
we could fluidise
you could fluidise
they could fluidise 	I could be fluidising
you could be fluidising
he could be fluidising
we could be fluidising
you could be fluidising
they could be fluidising	I could have fluidised
you could have fluidised
he could have fluidised
we could have fluidised
you could have fluidised
they could have fluidised	I could have been fluidising
you could have been fluidising
he could have been fluidising
we could have been fluidising
you could have been fluidising
they could have been fluidising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't fluidise
you couldn't fluidise
he couldn't fluidise
we couldn't fluidise
you couldn't fluidise
they couldn't fluidise 	I couldn't be fluidising
you couldn't be fluidising
he couldn't be fluidising
we couldn't be fluidising
you couldn't be fluidising
they couldn't be fluidising	I couldn't have fluidised
you couldn't have fluidised
he couldn't have fluidised
we couldn't have fluidised
you couldn't have fluidised
they couldn't have fluidised	I couldn't have been fluidising
you couldn't have been fluidising
he couldn't have been fluidising
we couldn't have been fluidising
you couldn't have been fluidising
they couldn't have been fluidising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I fluidise?
could you fluidise?
could he fluidise?
could we fluidise?
could you fluidise?
could they fluidise? 	could I be fluidising?
could you be fluidising?
could he be fluidising?
could we be fluidising?
could you be fluidising?
could they be fluidising? 	could I have fluidised?
could you have fluidised?
could he have fluidised?
could we have fluidised?
could you have fluidised?
could they have fluidised? 	could I have been fluidising?
could you have been fluidising?
could he have been fluidising?
could we have been fluidising?
could you have been fluidising?
could they have been fluidising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I fluidise?
couldn't you fluidise?
couldn't he fluidise?
couldn't we fluidise?
couldn't you fluidise?
couldn't they fluidise? 	couldn't I be fluidising?
couldn't you be fluidising?
couldn't he be fluidising?
couldn't we be fluidising?
couldn't you be fluidising?
couldn't they be fluidising? 	couldn't I have fluidised?
couldn't you have fluidised?
couldn't he have fluidised?
couldn't we have fluidised?
couldn't you have fluidised?
couldn't they have fluidised? 	couldn't I have been fluidising?
couldn't you have been fluidising?
couldn't he have been fluidising?
couldn't we have been fluidising?
couldn't you have been fluidising?
couldn't they have been fluidising?