Which Kind Does That?
Subject and Object Questions
Look at the following example sentence and questions.
Mr. Evans founded Jackson Engineering in 1992.
What did Mr. Sullivan found in 1992? - ANSWER Jackson Engineering
Who founded Jackson Engineering? - ANSWER Mr. Evans
Most questions ask about the object of the sentence. In this case, use standard question forms which take this constructions:
(wh?) + did (auxiliary) + subject + verb?
What did Mr. Evans found?
Some questions ask about the subject of the sentence. In this case, the subject question is formed with positive sentence structure ending with a question mark (?). 'Who' or 'Which' generally takes the place of the subject in this type of question.
Wh- + (auxiliary) + verb + object ?
Who founded Jackson Engineering?
Common Question Forms for Subject Questions:
Which
Which reports outline the production costs associated with this project?
What kind of
What kind of insurance service is good and can be of mutual benefit between the employer and the employee?
Who
Who is doing the spreadsheet for this month?