I can preauthorise you can preauthorise she can preauthorise we can preauthorise you can preauthorise they can preauthorise
V-ing form
I can be preauthorising you can be preauthorising she can be preauthorising we can be preauthorising you can be preauthorising they can be preauthorising
Perfect
I can have preauthorised you can have preauthorised she can have preauthorised we can have preauthorised you can have preauthorised they can have preauthorised
V-ing perfect
I can have been preauthorising you can have been preauthorising she can have been preauthorising we can have been preauthorising you can have been preauthorising they can have been preauthorising
Negation
Simple form
I cannot preauthorise you cannot preauthorise she cannot preauthorise we cannot preauthorise you cannot preauthorise they cannot preauthorise
V-ing form
I cannot be preauthorising you cannot be preauthorising she cannot be preauthorising we cannot be preauthorising you cannot be preauthorising they cannot be preauthorising
Perfect
I cannot have preauthorised you cannot have preauthorised she cannot have preauthorised we cannot have preauthorised you cannot have preauthorised they cannot have preauthorised
V-ing perfect
I cannot have been preauthorising you cannot have been preauthorising she cannot have been preauthorising we cannot have been preauthorising you cannot have been preauthorising they cannot have been preauthorising
Interrogative form
Simple form
can I preauthorise? can you preauthorise? can she preauthorise? can we preauthorise? can you preauthorise? can they preauthorise?
V-ing form
can I be preauthorising? can you be preauthorising? can she be preauthorising? can we be preauthorising? can you be preauthorising? can they be preauthorising?
Perfect
can I have preauthorised? can you have preauthorised? can she have preauthorised? can we have preauthorised? can you have preauthorised? can they have preauthorised?
V-ing perfect
can I have been preauthorising? can you have been preauthorising? can she have been preauthorising? can we have been preauthorising? can you have been preauthorising? can they have been preauthorising?
Interro-negative form
Simple form
can I not preauthorise? can you not preauthorise? can she not preauthorise? can we not preauthorise? can you not preauthorise? can they not preauthorise?
V-ing form
can I not be preauthorising? can you not be preauthorising? can she not be preauthorising? can we not be preauthorising? can you not be preauthorising? can they not be preauthorising?
Perfect
can I not have preauthorised? can you not have preauthorised? can she not have preauthorised? can we not have preauthorised? can you not have preauthorised? can they not have preauthorised?
V-ing perfect
can I not have been preauthorising? can you not have been preauthorising? can she not have been preauthorising? can we not have been preauthorising? can you not have been preauthorising? can they not have been preauthorising?