I can carburise you can carburise he can carburise we can carburise you can carburise they can carburise
V-ing form
I can be carburising you can be carburising he can be carburising we can be carburising you can be carburising they can be carburising
Perfect
I can have carburised you can have carburised he can have carburised we can have carburised you can have carburised they can have carburised
V-ing perfect
I can have been carburising you can have been carburising he can have been carburising we can have been carburising you can have been carburising they can have been carburising
Negation
Simple form
I cannot carburise you cannot carburise he cannot carburise we cannot carburise you cannot carburise they cannot carburise
V-ing form
I cannot be carburising you cannot be carburising he cannot be carburising we cannot be carburising you cannot be carburising they cannot be carburising
Perfect
I cannot have carburised you cannot have carburised he cannot have carburised we cannot have carburised you cannot have carburised they cannot have carburised
V-ing perfect
I cannot have been carburising you cannot have been carburising he cannot have been carburising we cannot have been carburising you cannot have been carburising they cannot have been carburising
Interrogative form
Simple form
can I carburise? can you carburise? can he carburise? can we carburise? can you carburise? can they carburise?
V-ing form
can I be carburising? can you be carburising? can he be carburising? can we be carburising? can you be carburising? can they be carburising?
Perfect
can I have carburised? can you have carburised? can he have carburised? can we have carburised? can you have carburised? can they have carburised?
V-ing perfect
can I have been carburising? can you have been carburising? can he have been carburising? can we have been carburising? can you have been carburising? can they have been carburising?
Interro-negative form
Simple form
can I not carburise? can you not carburise? can he not carburise? can we not carburise? can you not carburise? can they not carburise?
V-ing form
can I not be carburising? can you not be carburising? can he not be carburising? can we not be carburising? can you not be carburising? can they not be carburising?
Perfect
can I not have carburised? can you not have carburised? can he not have carburised? can we not have carburised? can you not have carburised? can they not have carburised?
V-ing perfect
can I not have been carburising? can you not have been carburising? can he not have been carburising? can we not have been carburising? can you not have been carburising? can they not have been carburising?