Many people migrate to improve their lives. (Interrogative)

Migration brings challenges. (Negative) = Migration does not bring opportunities. Or, Migration does not come without challenges.

They are repairing the bridge. (Passive) = The bridge is being repaired by them.

Anika said: "I will be leaving soon." (Indirect) = Anika said that she would be leaving soon.

অভিবাসন একজন ব্যক্তির জীবনকে নানাভাবে বদলে দিতে পারে।  = Migration can change a person's life in various ways.