1.
a. Linda what time she goes to bed
b. Linda what time she went to bed
2.
a. me when I usually go to work
b. me when I usually went to work
3.
a. Helen how old her husband is
b. Helen how old her husband was
4. 
a. Martha where they are playing football
b. Martha where they were playing football
5. 
a. the man what he finds about that case
b. the man what he found about that case
6. 
a. Lisa when she went home
b. Lisa when she had gone home
7. 
a. me how many emails I receive a day
b. me how many emails I received a day
8.
a. them why they were playing soccer with him the week before
b. them why they had been playing soccer with him the week before
9. 
a. her how much money she will spend on recreational activities
b.  her how much money she would spend on recreational activities
10.
a. Peter where he will move to
b. Peter where he would move to