could digitise
Regular verb: digitise - digitised- digitised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could digitise
you could digitise
she could digitise
we could digitise
you could digitise
they could digitise 	I could be digitising
you could be digitising
she could be digitising
we could be digitising
you could be digitising
they could be digitising	I could have digitised
you could have digitised
she could have digitised
we could have digitised
you could have digitised
they could have digitised	I could have been digitising
you could have been digitising
she could have been digitising
we could have been digitising
you could have been digitising
they could have been digitising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't digitise
you couldn't digitise
she couldn't digitise
we couldn't digitise
you couldn't digitise
they couldn't digitise 	I couldn't be digitising
you couldn't be digitising
she couldn't be digitising
we couldn't be digitising
you couldn't be digitising
they couldn't be digitising	I couldn't have digitised
you couldn't have digitised
she couldn't have digitised
we couldn't have digitised
you couldn't have digitised
they couldn't have digitised	I couldn't have been digitising
you couldn't have been digitising
she couldn't have been digitising
we couldn't have been digitising
you couldn't have been digitising
they couldn't have been digitising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I digitise?
could you digitise?
could she digitise?
could we digitise?
could you digitise?
could they digitise? 	could I be digitising?
could you be digitising?
could she be digitising?
could we be digitising?
could you be digitising?
could they be digitising? 	could I have digitised?
could you have digitised?
could she have digitised?
could we have digitised?
could you have digitised?
could they have digitised? 	could I have been digitising?
could you have been digitising?
could she have been digitising?
could we have been digitising?
could you have been digitising?
could they have been digitising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I digitise?
couldn't you digitise?
couldn't she digitise?
couldn't we digitise?
couldn't you digitise?
couldn't they digitise? 	couldn't I be digitising?
couldn't you be digitising?
couldn't she be digitising?
couldn't we be digitising?
couldn't you be digitising?
couldn't they be digitising? 	couldn't I have digitised?
couldn't you have digitised?
couldn't she have digitised?
couldn't we have digitised?
couldn't you have digitised?
couldn't they have digitised? 	couldn't I have been digitising?
couldn't you have been digitising?
couldn't she have been digitising?
couldn't we have been digitising?
couldn't you have been digitising?
couldn't they have been digitising?