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 kids doing when you saw them ?

f. Whast was Peter's wife doing while he was mowing the lawn ?

g. What kind of song was Jane singing at this time yesterday ?

h. What was Josh doing when he was hit by a motorbike ?

Bonus new words:

-dig (v) : đào

-mow the lawn : cắt cỏ

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)