Questions with and without auxiliaries

How to ask in English?

Questions with auxiliary

My friends like pastaWhat do my friends like?Matt is going to the supermarket tonightWhen is Matt going to the supermarket?The accident occurred in the city centreWhere did the accident occur?Lucy and Mike were playing with the childrenWho were Lucy and Mike playing with?

Questions without auxiliary

My friends like pastaWho likes pasta?Matt is going to the supermarket tonightWho is going to the supermarket tonight?The accident occurred in the city centreWhat occurred in the city centre? Lucy and Mike were playing with the childrenWho was playing with the children?