Question

No spam answers. I need with correct sentence only. If you friends don't no please don't type unwanted things...

Answer 1

3-(1)-active
    (2)-passive
    (3)-active
4-(1)-a letter was written by sheela
    (2)a song is being sung by her
5-(1)-he has done his homework
    (2)-they will form a commitee
6-(1)- arun said that he is fine
    (2)-malar requested meena to help her
    (3)-the weatherman said that it may rain the next day
7-(1)-the teacher said,"leave that place boys."
   (2)-she says,"I am happy."
   (3)-he said,"Earth makes round the sun."

Answer 2

Hello friend, 
Here's your answers:

3)(i) Active Voice
(ii) Passive Voice
(iii) Active Voice

4)(i) A letter was written by Sheela. 
(ii) A song is sung by her.

5)(i) He has don't the homework.
(ii) They will form a committee. 

6)(i) Arun said that he was fine. 
(ii) Malar asked Meena for her help. (or) Malar asked Meena to help her. 

(iii) The weatherman guessed that it might rain the next day. (or) The weatherman told that it might rain the day after the present. 

7)(i) The teacher said to the boys, "Leave this place !" (or) The teacher exclaimed, "Leave this place !" to the boys.
(ii) She told, "I am Happy" (or) She said, "I am Happy"
(iii) [There is a grammatical error in the question] He said, "The Earth revolves around the Sun. 

Hope my answer helps you.