could signalise
Regular verb: signalise - signalised- signalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could signalise
you could signalise
she could signalise
we could signalise
you could signalise
they could signalise 	I could be signalising
you could be signalising
she could be signalising
we could be signalising
you could be signalising
they could be signalising	I could have signalised
you could have signalised
she could have signalised
we could have signalised
you could have signalised
they could have signalised	I could have been signalising
you could have been signalising
she could have been signalising
we could have been signalising
you could have been signalising
they could have been signalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not signalise
you could not signalise
she could not signalise
we could not signalise
you could not signalise
they could not signalise 	I could not be signalising
you could not be signalising
she could not be signalising
we could not be signalising
you could not be signalising
they could not be signalising	I could not have signalised
you could not have signalised
she could not have signalised
we could not have signalised
you could not have signalised
they could not have signalised	I could not have been signalising
you could not have been signalising
she could not have been signalising
we could not have been signalising
you could not have been signalising
they could not have been signalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I signalise?
could you signalise?
could she signalise?
could we signalise?
could you signalise?
could they signalise? 	could I be signalising?
could you be signalising?
could she be signalising?
could we be signalising?
could you be signalising?
could they be signalising? 	could I have signalised?
could you have signalised?
could she have signalised?
could we have signalised?
could you have signalised?
could they have signalised? 	could I have been signalising?
could you have been signalising?
could she have been signalising?
could we have been signalising?
could you have been signalising?
could they have been signalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not signalise?
could you not signalise?
could she not signalise?
could we not signalise?
could you not signalise?
could they not signalise? 	could I not be signalising?
could you not be signalising?
could she not be signalising?
could we not be signalising?
could you not be signalising?
could they not be signalising? 	could I not have signalised?
could you not have signalised?
could she not have signalised?
could we not have signalised?
could you not have signalised?
could they not have signalised? 	could I not have been signalising?
could you not have been signalising?
could she not have been signalising?
could we not have been signalising?
could you not have been signalising?
could they not have been signalising?