I can apologise you can apologise she can apologise we can apologise you can apologise they can apologise
V-ing form
I can be apologising you can be apologising she can be apologising we can be apologising you can be apologising they can be apologising
Perfect
I can have apologised you can have apologised she can have apologised we can have apologised you can have apologised they can have apologised
V-ing perfect
I can have been apologising you can have been apologising she can have been apologising we can have been apologising you can have been apologising they can have been apologising
Negation
Simple form
I cannot apologise you cannot apologise she cannot apologise we cannot apologise you cannot apologise they cannot apologise
V-ing form
I cannot be apologising you cannot be apologising she cannot be apologising we cannot be apologising you cannot be apologising they cannot be apologising
Perfect
I cannot have apologised you cannot have apologised she cannot have apologised we cannot have apologised you cannot have apologised they cannot have apologised
V-ing perfect
I cannot have been apologising you cannot have been apologising she cannot have been apologising we cannot have been apologising you cannot have been apologising they cannot have been apologising
Interrogative form
Simple form
can I apologise? can you apologise? can she apologise? can we apologise? can you apologise? can they apologise?
V-ing form
can I be apologising? can you be apologising? can she be apologising? can we be apologising? can you be apologising? can they be apologising?
Perfect
can I have apologised? can you have apologised? can she have apologised? can we have apologised? can you have apologised? can they have apologised?
V-ing perfect
can I have been apologising? can you have been apologising? can she have been apologising? can we have been apologising? can you have been apologising? can they have been apologising?
Interro-negative form
Simple form
can I not apologise? can you not apologise? can she not apologise? can we not apologise? can you not apologise? can they not apologise?
V-ing form
can I not be apologising? can you not be apologising? can she not be apologising? can we not be apologising? can you not be apologising? can they not be apologising?
Perfect
can I not have apologised? can you not have apologised? can she not have apologised? can we not have apologised? can you not have apologised? can they not have apologised?
V-ing perfect
can I not have been apologising? can you not have been apologising? can she not have been apologising? can we not have been apologising? can you not have been apologising? can they not have been apologising?