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 cannot subcategorise you cannot subcategorise he cannot subcategorise we cannot subcategorise you cannot subcategorise they cannot subcategorise
V-ing form
I cannot be subcategorising you cannot be subcategorising he cannot be subcategorising we cannot be subcategorising you cannot be subcategorising they cannot be subcategorising
Perfect
I cannot have subcategorised you cannot have subcategorised he cannot have subcategorised we cannot have subcategorised you cannot have subcategorised they cannot have subcategorised
V-ing perfect
I cannot have been subcategorising you cannot have been subcategorising he cannot have been subcategorising we cannot have been subcategorising you cannot have been subcategorising they cannot 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 I not subcategorise? can you not subcategorise? can he not subcategorise? can we not subcategorise? can you not subcategorise? can they not subcategorise?
V-ing form
can I not be subcategorising? can you not be subcategorising? can he not be subcategorising? can we not be subcategorising? can you not be subcategorising? can they not be subcategorising?
Perfect
can I not have subcategorised? can you not have subcategorised? can he not have subcategorised? can we not have subcategorised? can you not have subcategorised? can they not have subcategorised?
V-ing perfect
can I not have been subcategorising? can you not have been subcategorising? can he not have been subcategorising? can we not have been subcategorising? can you not have been subcategorising? can they not have been subcategorising?