I can deputise you can deputise she can deputise we can deputise you can deputise they can deputise
V-ing form
I can be deputising you can be deputising she can be deputising we can be deputising you can be deputising they can be deputising
Perfect
I can have deputised you can have deputised she can have deputised we can have deputised you can have deputised they can have deputised
V-ing perfect
I can have been deputising you can have been deputising she can have been deputising we can have been deputising you can have been deputising they can have been deputising
Negation
Simple form
I cannot deputise you cannot deputise she cannot deputise we cannot deputise you cannot deputise they cannot deputise
V-ing form
I cannot be deputising you cannot be deputising she cannot be deputising we cannot be deputising you cannot be deputising they cannot be deputising
Perfect
I cannot have deputised you cannot have deputised she cannot have deputised we cannot have deputised you cannot have deputised they cannot have deputised
V-ing perfect
I cannot have been deputising you cannot have been deputising she cannot have been deputising we cannot have been deputising you cannot have been deputising they cannot have been deputising
Interrogative form
Simple form
can I deputise? can you deputise? can she deputise? can we deputise? can you deputise? can they deputise?
V-ing form
can I be deputising? can you be deputising? can she be deputising? can we be deputising? can you be deputising? can they be deputising?
Perfect
can I have deputised? can you have deputised? can she have deputised? can we have deputised? can you have deputised? can they have deputised?
V-ing perfect
can I have been deputising? can you have been deputising? can she have been deputising? can we have been deputising? can you have been deputising? can they have been deputising?
Interro-negative form
Simple form
can I not deputise? can you not deputise? can she not deputise? can we not deputise? can you not deputise? can they not deputise?
V-ing form
can I not be deputising? can you not be deputising? can she not be deputising? can we not be deputising? can you not be deputising? can they not be deputising?
Perfect
can I not have deputised? can you not have deputised? can she not have deputised? can we not have deputised? can you not have deputised? can they not have deputised?
V-ing perfect
can I not have been deputising? can you not have been deputising? can she not have been deputising? can we not have been deputising? can you not have been deputising? can they not have been deputising?