(a) Anika wrote a letter to her mother yesterday. (passive) (b) She told her mother to send Tk. 1000 to buy some books, (complex) (c) In the letter, she told her that she should not worry about her studies. (simple) (d) Her mother often writes to her. (interrogative) (e) She feels that her mother is better than ail other mothers in the world. (superlative)