can naturalise
Regular verb: naturalise - naturalised- naturalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can naturalise
you can naturalise
she can naturalise
we can naturalise
you can naturalise
they can naturalise 	I can be naturalising
you can be naturalising
she can be naturalising
we can be naturalising
you can be naturalising
they can be naturalising	I can have naturalised
you can have naturalised
she can have naturalised
we can have naturalised
you can have naturalised
they can have naturalised	I can have been naturalising
you can have been naturalising
she can have been naturalising
we can have been naturalising
you can have been naturalising
they can have been naturalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot naturalise
you cannot naturalise
she cannot naturalise
we cannot naturalise
you cannot naturalise
they cannot naturalise 	I cannot be naturalising
you cannot be naturalising
she cannot be naturalising
we cannot be naturalising
you cannot be naturalising
they cannot be naturalising	I cannot have naturalised
you cannot have naturalised
she cannot have naturalised
we cannot have naturalised
you cannot have naturalised
they cannot have naturalised	I cannot have been naturalising
you cannot have been naturalising
she cannot have been naturalising
we cannot have been naturalising
you cannot have been naturalising
they cannot have been naturalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I naturalise?
can you naturalise?
can she naturalise?
can we naturalise?
can you naturalise?
can they naturalise? 	can I be naturalising?
can you be naturalising?
can she be naturalising?
can we be naturalising?
can you be naturalising?
can they be naturalising? 	can I have naturalised?
can you have naturalised?
can she have naturalised?
can we have naturalised?
can you have naturalised?
can they have naturalised? 	can I have been naturalising?
can you have been naturalising?
can she have been naturalising?
can we have been naturalising?
can you have been naturalising?
can they have been naturalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not naturalise?
can you not naturalise?
can she not naturalise?
can we not naturalise?
can you not naturalise?
can they not naturalise? 	can I not be naturalising?
can you not be naturalising?
can she not be naturalising?
can we not be naturalising?
can you not be naturalising?
can they not be naturalising? 	can I not have naturalised?
can you not have naturalised?
can she not have naturalised?
can we not have naturalised?
can you not have naturalised?
can they not have naturalised? 	can I not have been naturalising?
can you not have been naturalising?
can she not have been naturalising?
can we not have been naturalising?
can you not have been naturalising?
can they not have been naturalising?