I can subcategorise you can subcategorise he can subcategorise we can subcategorise you can subcategorise they can subcategorise
V-ing form
I can be subcategorising you can be subcategorising he can be subcategorising we can be subcategorising you can be subcategorising they can be subcategorising
Perfect
I can have subcategorised you can have subcategorised he can have subcategorised we can have subcategorised you can have subcategorised they can have subcategorised
V-ing perfect
I can have been subcategorising you can have been subcategorising he can have been subcategorising we can have been subcategorising you can have been subcategorising they can have been subcategorising
Negation
Simple form
I can't subcategorise you can't subcategorise he can't subcategorise we can't subcategorise you can't subcategorise they can't subcategorise
V-ing form
I can't be subcategorising you can't be subcategorising he can't be subcategorising we can't be subcategorising you can't be subcategorising they can't be subcategorising
Perfect
I can't have subcategorised you can't have subcategorised he can't have subcategorised we can't have subcategorised you can't have subcategorised they can't have subcategorised
V-ing perfect
I can't have been subcategorising you can't have been subcategorising he can't have been subcategorising we can't have been subcategorising you can't have been subcategorising they can't have been subcategorising
Interrogative form
Simple form
can I subcategorise? can you subcategorise? can he subcategorise? can we subcategorise? can you subcategorise? can they subcategorise?
V-ing form
can I be subcategorising? can you be subcategorising? can he be subcategorising? can we be subcategorising? can you be subcategorising? can they be subcategorising?
Perfect
can I have subcategorised? can you have subcategorised? can he have subcategorised? can we have subcategorised? can you have subcategorised? can they have subcategorised?
V-ing perfect
can I have been subcategorising? can you have been subcategorising? can he have been subcategorising? can we have been subcategorising? can you have been subcategorising? can they have been subcategorising?
Interro-negative form
Simple form
can't I subcategorise? can't you subcategorise? can't he subcategorise? can't we subcategorise? can't you subcategorise? can't they subcategorise?
V-ing form
can't I be subcategorising? can't you be subcategorising? can't he be subcategorising? can't we be subcategorising? can't you be subcategorising? can't they be subcategorising?
Perfect
can't I have subcategorised? can't you have subcategorised? can't he have subcategorised? can't we have subcategorised? can't you have subcategorised? can't they have subcategorised?
V-ing perfect
can't I have been subcategorising? can't you have been subcategorising? can't he have been subcategorising? can't we have been subcategorising? can't you have been subcategorising? can't they have been subcategorising?