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 can't apologise you can't apologise she can't apologise we can't apologise you can't apologise they can't apologise
V-ing form
I can't be apologising you can't be apologising she can't be apologising we can't be apologising you can't be apologising they can't be apologising
Perfect
I can't have apologised you can't have apologised she can't have apologised we can't have apologised you can't have apologised they can't have apologised
V-ing perfect
I can't have been apologising you can't have been apologising she can't have been apologising we can't have been apologising you can't have been apologising they can't 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't I apologise? can't you apologise? can't she apologise? can't we apologise? can't you apologise? can't they apologise?
V-ing form
can't I be apologising? can't you be apologising? can't she be apologising? can't we be apologising? can't you be apologising? can't they be apologising?
Perfect
can't I have apologised? can't you have apologised? can't she have apologised? can't we have apologised? can't you have apologised? can't they have apologised?
V-ing perfect
can't I have been apologising? can't you have been apologising? can't she have been apologising? can't we have been apologising? can't you have been apologising? can't they have been apologising?