Questions – How to Explain the Lack of Auxiliary Verb in Some Questions?

auxiliary-verbsquestions

I am trying to write a lesson about QASM question structure (Where did you go, what will they see etc.) How should I explain the fact that the following questions don't seem to take an auxiliary verb?
How many of the students come from (cityname)?
Which colour suits me the best in your opinion?
Whose parents drive them to school everyday?

I realise the QASM structure cannot be used for 100% of questions but is there a good way to explain when and why auxiliaries are not needed?

Best Answer

When the question word is the subject there is no auxiliary verb and the verb agrees with the subject.

Who do you love? I love you. you is the object. The question is looking for object. 'You' are the subject who loves someone.

Who loves you? She loves me. The question is looking for the person who loves me. It looks for the subject.

I am supposing your students know what subject and object is. Give a few more examples and point out all the questions are trying to understand who or what is the subject.

Who broke the window? She broke it. What killed the dog? Food killed the dog.

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