2Who… What… Where… When… What questions can we ask about this sentence? Paul studied IT in Newcastle two years agoWho…Who studied IT in Newcastle?What…What did Paul study?Where…Where did Paul study?When…When did Paul study?
3Past Simple Questions: Form (Question word) + did + person + base verbWhen did you see the movie? (not: did you saw)Did they write their project?How did she fix her computer?Compare:Who taught you Maths? (not: who did teach you…) – but:Who did you teach Maths?
4Past Simple Questions with Was / Were Computer Architecture was Anna’s favourite lesson.What was Anna’s favourite lesson?We were at the classroom at 5 o’ clock.Where were you at 5?
5To sum up: Past Simple questions are made with: Did + person + base verbWhat did you study?Where did you buy this PC from?Did she enjoy the class?Questions with was or were don’t need didWho was your favorite teacher?Why were they late?
6Finally, remember that: When the verb of the question focuses on ‘Who’ or ‘What’ and not on another person (e.g. you, he, they, etc)……we don’t use did!For example:What happened? (not: What did happen)Who phoned you last night? (not: who did phone you)