Questions with who and what – Subject – Object

1. Subject questions

Question word Verb Complement Subject Verb Complement
Who runs the shop? Peter runs the shop.
What happened yesterday? A tragedy happened yesterday.

2. Object questions

Question word Auxiliary Subject Verb Complement Answer
Who do you like?   I like my mum.
Who did Mandy phone last Monday? Mandy phoned her uncle.
What does he read?   He reads detective stories.

Mind the difference in meaning in the following two questions:

Subject question Object question
Who phoned John? Who did John phone?