could subsidise
Regular verb: subsidise - subsidised- subsidised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could subsidise
you could subsidise
he could subsidise
we could subsidise
you could subsidise
they could subsidise 	I could be subsidising
you could be subsidising
he could be subsidising
we could be subsidising
you could be subsidising
they could be subsidising	I could have subsidised
you could have subsidised
he could have subsidised
we could have subsidised
you could have subsidised
they could have subsidised	I could have been subsidising
you could have been subsidising
he could have been subsidising
we could have been subsidising
you could have been subsidising
they could have been subsidising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't subsidise
you couldn't subsidise
he couldn't subsidise
we couldn't subsidise
you couldn't subsidise
they couldn't subsidise 	I couldn't be subsidising
you couldn't be subsidising
he couldn't be subsidising
we couldn't be subsidising
you couldn't be subsidising
they couldn't be subsidising	I couldn't have subsidised
you couldn't have subsidised
he couldn't have subsidised
we couldn't have subsidised
you couldn't have subsidised
they couldn't have subsidised	I couldn't have been subsidising
you couldn't have been subsidising
he couldn't have been subsidising
we couldn't have been subsidising
you couldn't have been subsidising
they couldn't have been subsidising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I subsidise?
could you subsidise?
could he subsidise?
could we subsidise?
could you subsidise?
could they subsidise? 	could I be subsidising?
could you be subsidising?
could he be subsidising?
could we be subsidising?
could you be subsidising?
could they be subsidising? 	could I have subsidised?
could you have subsidised?
could he have subsidised?
could we have subsidised?
could you have subsidised?
could they have subsidised? 	could I have been subsidising?
could you have been subsidising?
could he have been subsidising?
could we have been subsidising?
could you have been subsidising?
could they have been subsidising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I subsidise?
couldn't you subsidise?
couldn't he subsidise?
couldn't we subsidise?
couldn't you subsidise?
couldn't they subsidise? 	couldn't I be subsidising?
couldn't you be subsidising?
couldn't he be subsidising?
couldn't we be subsidising?
couldn't you be subsidising?
couldn't they be subsidising? 	couldn't I have subsidised?
couldn't you have subsidised?
couldn't he have subsidised?
couldn't we have subsidised?
couldn't you have subsidised?
couldn't they have subsidised? 	couldn't I have been subsidising?
couldn't you have been subsidising?
couldn't he have been subsidising?
couldn't we have been subsidising?
couldn't you have been subsidising?
couldn't they have been subsidising?