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 can't bacterise you can't bacterise he can't bacterise we can't bacterise you can't bacterise they can't bacterise
V-ing form
I can't be bacterising you can't be bacterising he can't be bacterising we can't be bacterising you can't be bacterising they can't be bacterising
Perfect
I can't have bacterised you can't have bacterised he can't have bacterised we can't have bacterised you can't have bacterised they can't have bacterised
V-ing perfect
I can't have been bacterising you can't have been bacterising he can't have been bacterising we can't have been bacterising you can't have been bacterising they can't 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't I bacterise? can't you bacterise? can't he bacterise? can't we bacterise? can't you bacterise? can't they bacterise?
V-ing form
can't I be bacterising? can't you be bacterising? can't he be bacterising? can't we be bacterising? can't you be bacterising? can't they be bacterising?
Perfect
can't I have bacterised? can't you have bacterised? can't he have bacterised? can't we have bacterised? can't you have bacterised? can't they have bacterised?
V-ing perfect
can't I have been bacterising? can't you have been bacterising? can't he have been bacterising? can't we have been bacterising? can't you have been bacterising? can't they have been bacterising?