English verb conjugation
COULD PREAUTHORISE

Regular verb: preauthorise - preauthorised - preauthorised

Affirmation

Simple form	V-ing form
I could preauthorise you could preauthorise he could preauthorise we could preauthorise you could preauthorise they could preauthorise	I could be preauthorising you could be preauthorising he 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 he 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 he 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 couldn't preauthorise you couldn't preauthorise he couldn't preauthorise we couldn't preauthorise you couldn't preauthorise they couldn't preauthorise	I couldn't be preauthorising you couldn't be preauthorising he couldn't be preauthorising we couldn't be preauthorising you couldn't be preauthorising they couldn't be preauthorising
Perfect	V-ing perfect
I couldn't have preauthorised you couldn't have preauthorised he couldn't have preauthorised we couldn't have preauthorised you couldn't have preauthorised they couldn't have preauthorised	I couldn't have been preauthorising you couldn't have been preauthorising he couldn't have been preauthorising we couldn't have been preauthorising you couldn't have been preauthorising they couldn't have been preauthorising

Interrogative form

Simple form	V-ing form
could I preauthorise? could you preauthorise? could he preauthorise? could we preauthorise? could you preauthorise? could they preauthorise?	could I be preauthorising? could you be preauthorising? could he 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 he 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 he 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
couldn't I preauthorise? couldn't you preauthorise? couldn't he preauthorise? couldn't we preauthorise? couldn't you preauthorise? couldn't they preauthorise?	couldn't I be preauthorising? couldn't you be preauthorising? couldn't he be preauthorising? couldn't we be preauthorising? couldn't you be preauthorising? couldn't they be preauthorising?
Perfect	V-ing perfect
couldn't I have preauthorised? couldn't you have preauthorised? couldn't he have preauthorised? couldn't we have preauthorised? couldn't you have preauthorised? couldn't they have preauthorised?	couldn't I have been preauthorising? couldn't you have been preauthorising? couldn't he have been preauthorising? couldn't we have been preauthorising? couldn't you have been preauthorising? couldn't they have been preauthorising?