Q:

The father said to the son,”Why do you not start preparing for the examination this month? 

• 1
  The father enquired of the son why he did not start preparing for the examination this month.
• 2
  The father asked the son why he did not start preparing for the examination that month.
• 3
  The father asked the son that why did he not start preparing for the examination this month?
• 4
  The father told the son why he did not prepare for the examination that month.