Напишите все типы 1.now they can do it 2. and i love it?

1.Now they can do it, can't they? 
Can now they do it?
Can now they or we do it?
Who can do it?
Why can they do it?
2. And I love it, don't I?
Do I love it?
Do I or she love it?
Who loves it?
What do I love?