The teacher said, 'Do it' (indirect) 

= The teacher ordered to do it. 

The teacher prevented the students from joining the procession.

The ship sank in the Meghna. 

The rain had started already, when I reached the station.

দরিদ্রদের বিনামূল্যে আইনি সহায়তা দেওয়া হয়

The patient slept a sound sleep. (Passive) = A sound sleep was slept by the patient.

The patient is too weak to walk = The patient is so weak that he cannot walk.

The news will shock you.= You will be shocked at the news.

The news shocked him.

= He was shocked at the news.

The monkey climbed up the mango tree.

The matter should be looked into immediately.

The man was accused of theft

The man confessed his guilt. = লোকটি তার অপরাধ স্বীকার করেছিল।

 The machine is out of order.

The loss cannot be made up.