English verb conjugation
COULD CHARACTERISE

Regular verb: characterise - characterised - characterised

Affirmation

Simple form	V-ing form
I could characterise you could characterise she could characterise we could characterise you could characterise they could characterise	I could be characterising you could be characterising she could be characterising we could be characterising you could be characterising they could be characterising
Perfect	V-ing perfect
I could have characterised you could have characterised she could have characterised we could have characterised you could have characterised they could have characterised	I could have been characterising you could have been characterising she could have been characterising we could have been characterising you could have been characterising they could have been characterising

Negation

Simple form	V-ing form
I couldn't characterise you couldn't characterise she couldn't characterise we couldn't characterise you couldn't characterise they couldn't characterise	I couldn't be characterising you couldn't be characterising she couldn't be characterising we couldn't be characterising you couldn't be characterising they couldn't be characterising
Perfect	V-ing perfect
I couldn't have characterised you couldn't have characterised she couldn't have characterised we couldn't have characterised you couldn't have characterised they couldn't have characterised	I couldn't have been characterising you couldn't have been characterising she couldn't have been characterising we couldn't have been characterising you couldn't have been characterising they couldn't have been characterising

Interrogative form

Simple form	V-ing form
could I characterise? could you characterise? could she characterise? could we characterise? could you characterise? could they characterise?	could I be characterising? could you be characterising? could she be characterising? could we be characterising? could you be characterising? could they be characterising?
Perfect	V-ing perfect
could I have characterised? could you have characterised? could she have characterised? could we have characterised? could you have characterised? could they have characterised?	could I have been characterising? could you have been characterising? could she have been characterising? could we have been characterising? could you have been characterising? could they have been characterising?

Interro-negative form

Simple form	V-ing form
couldn't I characterise? couldn't you characterise? couldn't she characterise? couldn't we characterise? couldn't you characterise? couldn't they characterise?	couldn't I be characterising? couldn't you be characterising? couldn't she be characterising? couldn't we be characterising? couldn't you be characterising? couldn't they be characterising?
Perfect	V-ing perfect
couldn't I have characterised? couldn't you have characterised? couldn't she have characterised? couldn't we have characterised? couldn't you have characterised? couldn't they have characterised?	couldn't I have been characterising? couldn't you have been characterising? couldn't she have been characterising? couldn't we have been characterising? couldn't you have been characterising? couldn't they have been characterising?