Where do you live?
Who did you see?
And there are also subject questions. Questions we ask to find out about the subject. These questions are asked using 'who', 'what' and 'which'.
Who plays football in this class?
Which machine did Marconi invent?
You can take a look at the following chart of question forms:
|Object Questions wh- + auxiliary + subject + main verb||Where do you live?
What will you do?
When is she coming?
wh- (=subject) + auxiliary + main verb
Notice that this structure is like affirmative sentence structure without the question word.
|Who loves you?
Which car will arrive first?
What type of food costs less?
Now, try this Hot Potatoes exercise and choose the correct question.