a. What was Mary making for her grandmother?
b. What did he find when he was digging his garden?
c. What was you doing when I telephoned?
d. Who were they talking with?
e. What were the kid doing when you saw them?
f. What was his wife doing while Peter was mowing the lawn?
g. What was Jane singing at this time yesterday?
h. What was Josh doing when he was hit by a motorbike?
*Question word + V + S + ...?
Who: ai
Whose: người sở hữu
What: là gì, cái gì
When: thời gian
Where: nơi chốn
Why: lí do, nguyên nhân
How: cách thức, đặc tính
How far: bao xa
How long: bao lâu
How much(danh từ không đếm được): bao nhiêu
How many(danh từ đếm được): bao nhiêu
How often: bao lâu(mức độ thường xuyên)
