could realise
Regular verb: realise - realised- realised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could realise
you could realise
he could realise
we could realise
you could realise
they could realise 	I could be realising
you could be realising
he could be realising
we could be realising
you could be realising
they could be realising	I could have realised
you could have realised
he could have realised
we could have realised
you could have realised
they could have realised	I could have been realising
you could have been realising
he could have been realising
we could have been realising
you could have been realising
they could have been realising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not realise
you could not realise
he could not realise
we could not realise
you could not realise
they could not realise 	I could not be realising
you could not be realising
he could not be realising
we could not be realising
you could not be realising
they could not be realising	I could not have realised
you could not have realised
he could not have realised
we could not have realised
you could not have realised
they could not have realised	I could not have been realising
you could not have been realising
he could not have been realising
we could not have been realising
you could not have been realising
they could not have been realising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I realise?
could you realise?
could he realise?
could we realise?
could you realise?
could they realise? 	could I be realising?
could you be realising?
could he be realising?
could we be realising?
could you be realising?
could they be realising? 	could I have realised?
could you have realised?
could he have realised?
could we have realised?
could you have realised?
could they have realised? 	could I have been realising?
could you have been realising?
could he have been realising?
could we have been realising?
could you have been realising?
could they have been realising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not realise?
could you not realise?
could he not realise?
could we not realise?
could you not realise?
could they not realise? 	could I not be realising?
could you not be realising?
could he not be realising?
could we not be realising?
could you not be realising?
could they not be realising? 	could I not have realised?
could you not have realised?
could he not have realised?
could we not have realised?
could you not have realised?
could they not have realised? 	could I not have been realising?
could you not have been realising?
could he not have been realising?
could we not have been realising?
could you not have been realising?
could they not have been realising?