I can bacterise you can bacterise he can bacterise we can bacterise you can bacterise they can bacterise
V-ing form
I can be bacterising you can be bacterising he can be bacterising we can be bacterising you can be bacterising they can be bacterising
Perfect
I can have bacterised you can have bacterised he can have bacterised we can have bacterised you can have bacterised they can have bacterised
V-ing perfect
I can have been bacterising you can have been bacterising he can have been bacterising we can have been bacterising you can have been bacterising they can have been bacterising
Negation
Simple form
I cannot bacterise you cannot bacterise he cannot bacterise we cannot bacterise you cannot bacterise they cannot bacterise
V-ing form
I cannot be bacterising you cannot be bacterising he cannot be bacterising we cannot be bacterising you cannot be bacterising they cannot be bacterising
Perfect
I cannot have bacterised you cannot have bacterised he cannot have bacterised we cannot have bacterised you cannot have bacterised they cannot have bacterised
V-ing perfect
I cannot have been bacterising you cannot have been bacterising he cannot have been bacterising we cannot have been bacterising you cannot have been bacterising they cannot have been bacterising
Interrogative form
Simple form
can I bacterise? can you bacterise? can he bacterise? can we bacterise? can you bacterise? can they bacterise?
V-ing form
can I be bacterising? can you be bacterising? can he be bacterising? can we be bacterising? can you be bacterising? can they be bacterising?
Perfect
can I have bacterised? can you have bacterised? can he have bacterised? can we have bacterised? can you have bacterised? can they have bacterised?
V-ing perfect
can I have been bacterising? can you have been bacterising? can he have been bacterising? can we have been bacterising? can you have been bacterising? can they have been bacterising?
Interro-negative form
Simple form
can I not bacterise? can you not bacterise? can he not bacterise? can we not bacterise? can you not bacterise? can they not bacterise?
V-ing form
can I not be bacterising? can you not be bacterising? can he not be bacterising? can we not be bacterising? can you not be bacterising? can they not be bacterising?
Perfect
can I not have bacterised? can you not have bacterised? can he not have bacterised? can we not have bacterised? can you not have bacterised? can they not have bacterised?
V-ing perfect
can I not have been bacterising? can you not have been bacterising? can he not have been bacterising? can we not have been bacterising? can you not have been bacterising? can they not have been bacterising?