English verb conjugation
COULD PREAUTHORISE

Regular verb: preauthorise - preauthorised - preauthorised

Affirmation

Simple form	V-ing form
I could preauthorise you could preauthorise she could preauthorise we could preauthorise you could preauthorise they could preauthorise	I could be preauthorising you could be preauthorising she could be preauthorising we could be preauthorising you could be preauthorising they could be preauthorising
Perfect	V-ing perfect
I could have preauthorised you could have preauthorised she could have preauthorised we could have preauthorised you could have preauthorised they could have preauthorised	I could have been preauthorising you could have been preauthorising she could have been preauthorising we could have been preauthorising you could have been preauthorising they could have been preauthorising

Negation

Simple form	V-ing form
I could not preauthorise you could not preauthorise she could not preauthorise we could not preauthorise you could not preauthorise they could not preauthorise	I could not be preauthorising you could not be preauthorising she could not be preauthorising we could not be preauthorising you could not be preauthorising they could not be preauthorising
Perfect	V-ing perfect
I could not have preauthorised you could not have preauthorised she could not have preauthorised we could not have preauthorised you could not have preauthorised they could not have preauthorised	I could not have been preauthorising you could not have been preauthorising she could not have been preauthorising we could not have been preauthorising you could not have been preauthorising they could not have been preauthorising

Interrogative form

Simple form	V-ing form
could I preauthorise? could you preauthorise? could she preauthorise? could we preauthorise? could you preauthorise? could they preauthorise?	could I be preauthorising? could you be preauthorising? could she be preauthorising? could we be preauthorising? could you be preauthorising? could they be preauthorising?
Perfect	V-ing perfect
could I have preauthorised? could you have preauthorised? could she have preauthorised? could we have preauthorised? could you have preauthorised? could they have preauthorised?	could I have been preauthorising? could you have been preauthorising? could she have been preauthorising? could we have been preauthorising? could you have been preauthorising? could they have been preauthorising?

Interro-negative form

Simple form	V-ing form
could I not preauthorise? could you not preauthorise? could she not preauthorise? could we not preauthorise? could you not preauthorise? could they not preauthorise?	could I not be preauthorising? could you not be preauthorising? could she not be preauthorising? could we not be preauthorising? could you not be preauthorising? could they not be preauthorising?
Perfect	V-ing perfect
could I not have preauthorised? could you not have preauthorised? could she not have preauthorised? could we not have preauthorised? could you not have preauthorised? could they not have preauthorised?	could I not have been preauthorising? could you not have been preauthorising? could she not have been preauthorising? could we not have been preauthorising? could you not have been preauthorising? could they not have been preauthorising?