I can deputise you can deputise he can deputise we can deputise you can deputise they can deputise
V-ing form
I can be deputising you can be deputising he can be deputising we can be deputising you can be deputising they can be deputising
Perfect
I can have deputised you can have deputised he 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 he can have been deputising we can have been deputising you can have been deputising they can have been deputising
Negation
Simple form
I can't deputise you can't deputise he can't deputise we can't deputise you can't deputise they can't deputise
V-ing form
I can't be deputising you can't be deputising he can't be deputising we can't be deputising you can't be deputising they can't be deputising
Perfect
I can't have deputised you can't have deputised he can't have deputised we can't have deputised you can't have deputised they can't have deputised
V-ing perfect
I can't have been deputising you can't have been deputising he can't have been deputising we can't have been deputising you can't have been deputising they can't have been deputising
Interrogative form
Simple form
can I deputise? can you deputise? can he deputise? can we deputise? can you deputise? can they deputise?
V-ing form
can I be deputising? can you be deputising? can he be deputising? can we be deputising? can you be deputising? can they be deputising?
Perfect
can I have deputised? can you have deputised? can he 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 he have been deputising? can we have been deputising? can you have been deputising? can they have been deputising?
Interro-negative form
Simple form
can't I deputise? can't you deputise? can't he deputise? can't we deputise? can't you deputise? can't they deputise?
V-ing form
can't I be deputising? can't you be deputising? can't he be deputising? can't we be deputising? can't you be deputising? can't they be deputising?
Perfect
can't I have deputised? can't you have deputised? can't he have deputised? can't we have deputised? can't you have deputised? can't they have deputised?
V-ing perfect
can't I have been deputising? can't you have been deputising? can't he have been deputising? can't we have been deputising? can't you have been deputising? can't they have been deputising?