I can alphabetise you can alphabetise he can alphabetise we can alphabetise you can alphabetise they can alphabetise
V-ing form
I can be alphabetising you can be alphabetising he can be alphabetising we can be alphabetising you can be alphabetising they can be alphabetising
Perfect
I can have alphabetised you can have alphabetised he can have alphabetised we can have alphabetised you can have alphabetised they can have alphabetised
V-ing perfect
I can have been alphabetising you can have been alphabetising he can have been alphabetising we can have been alphabetising you can have been alphabetising they can have been alphabetising
Negation
Simple form
I cannot alphabetise you cannot alphabetise he cannot alphabetise we cannot alphabetise you cannot alphabetise they cannot alphabetise
V-ing form
I cannot be alphabetising you cannot be alphabetising he cannot be alphabetising we cannot be alphabetising you cannot be alphabetising they cannot be alphabetising
Perfect
I cannot have alphabetised you cannot have alphabetised he cannot have alphabetised we cannot have alphabetised you cannot have alphabetised they cannot have alphabetised
V-ing perfect
I cannot have been alphabetising you cannot have been alphabetising he cannot have been alphabetising we cannot have been alphabetising you cannot have been alphabetising they cannot have been alphabetising
Interrogative form
Simple form
can I alphabetise? can you alphabetise? can he alphabetise? can we alphabetise? can you alphabetise? can they alphabetise?
V-ing form
can I be alphabetising? can you be alphabetising? can he be alphabetising? can we be alphabetising? can you be alphabetising? can they be alphabetising?
Perfect
can I have alphabetised? can you have alphabetised? can he have alphabetised? can we have alphabetised? can you have alphabetised? can they have alphabetised?
V-ing perfect
can I have been alphabetising? can you have been alphabetising? can he have been alphabetising? can we have been alphabetising? can you have been alphabetising? can they have been alphabetising?
Interro-negative form
Simple form
can I not alphabetise? can you not alphabetise? can he not alphabetise? can we not alphabetise? can you not alphabetise? can they not alphabetise?
V-ing form
can I not be alphabetising? can you not be alphabetising? can he not be alphabetising? can we not be alphabetising? can you not be alphabetising? can they not be alphabetising?
Perfect
can I not have alphabetised? can you not have alphabetised? can he not have alphabetised? can we not have alphabetised? can you not have alphabetised? can they not have alphabetised?
V-ing perfect
can I not have been alphabetising? can you not have been alphabetising? can he not have been alphabetising? can we not have been alphabetising? can you not have been alphabetising? can they not have been alphabetising?