Change the voice of the following:

1. Why did the teacher punish you?
2. His conduct shocked me.
3. It is known to me what he thinks.

(b) Change the narration of the following:

1. Khalid said, "Alas! how unfortunate I have been!"
2. The police said to me, "Why did you strike me?"
3. He said, "I could do it tomorrow". 

(c) Correct the following sentences:

1. I doubt that he will do it.
2. My father is presently living in Rajshahi.
3. They discussed about the matter. 
4. I have no taka in my pocket.