could historicise
Regular verb: historicise - historicised- historicised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could historicise
you could historicise
he could historicise
we could historicise
you could historicise
they could historicise 	I could be historicising
you could be historicising
he could be historicising
we could be historicising
you could be historicising
they could be historicising	I could have historicised
you could have historicised
he could have historicised
we could have historicised
you could have historicised
they could have historicised	I could have been historicising
you could have been historicising
he could have been historicising
we could have been historicising
you could have been historicising
they could have been historicising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't historicise
you couldn't historicise
he couldn't historicise
we couldn't historicise
you couldn't historicise
they couldn't historicise 	I couldn't be historicising
you couldn't be historicising
he couldn't be historicising
we couldn't be historicising
you couldn't be historicising
they couldn't be historicising	I couldn't have historicised
you couldn't have historicised
he couldn't have historicised
we couldn't have historicised
you couldn't have historicised
they couldn't have historicised	I couldn't have been historicising
you couldn't have been historicising
he couldn't have been historicising
we couldn't have been historicising
you couldn't have been historicising
they couldn't have been historicising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I historicise?
could you historicise?
could he historicise?
could we historicise?
could you historicise?
could they historicise? 	could I be historicising?
could you be historicising?
could he be historicising?
could we be historicising?
could you be historicising?
could they be historicising? 	could I have historicised?
could you have historicised?
could he have historicised?
could we have historicised?
could you have historicised?
could they have historicised? 	could I have been historicising?
could you have been historicising?
could he have been historicising?
could we have been historicising?
could you have been historicising?
could they have been historicising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I historicise?
couldn't you historicise?
couldn't he historicise?
couldn't we historicise?
couldn't you historicise?
couldn't they historicise? 	couldn't I be historicising?
couldn't you be historicising?
couldn't he be historicising?
couldn't we be historicising?
couldn't you be historicising?
couldn't they be historicising? 	couldn't I have historicised?
couldn't you have historicised?
couldn't he have historicised?
couldn't we have historicised?
couldn't you have historicised?
couldn't they have historicised? 	couldn't I have been historicising?
couldn't you have been historicising?
couldn't he have been historicising?
couldn't we have been historicising?
couldn't you have been historicising?
couldn't they have been historicising?