Question

These sentences are from my test in which I answered these sentences incorrectly. So please suggest the right answers to them.
1)Ram said to me,"I go to school daily."(change to indirect speech)
2)He wrote me a letter.(change to passive voice)
3)Who built the Taj?(change to passive voice)
4)when we (feel) safe,we stopped to rest.
5)The judge was convinced his guilt.(fill preposition)

Answer 1

Start each sentence like these:

1. Ram said that ...
2. A letter ...
3. The Taj ...

4. Think about verb tenses: present, past, future. Find the main verb and let me know what its tense is. Write the verb (feel) in the same tense.

5. ... convinced ___ his guilt.
What preposition make sense in that blank?
http://grammar.ccc.commnet.edu/grammar/preposition_list.htm

Answer 2

can I write
By whom was the Taj built? for 3) sentence