He invited a lot of friends to his birthday party.
Did he invite many friends to his birthday party ?(общий) .
Did he invite many friends to his birthday party or to his wedding? (альтернативный ).
He invited a lot of friends to his birthday party, didn't he ?(разделительный) . Who invited many friends to his birthday party?(специальный к подлежащему ).
Where did he invite many friends? (Специальный ).