English verb conjugation
COULD DIGITISE

Regular verb: digitise - digitised - digitised

Affirmation

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