1-Laura said "I can repair my car here now"
=> Laura said that she could repair her car there then
2-Anna said to me "My sister is taking me to school at present"
=> Anna said to me her sister was  taking her to school at present
3-The man said to me " My father can work here today"
=> The man said to me his father could work there that day 
4-Hung said to me " I will help her to these cafes tomorrow"
=> Hung said to me that he would help her to those cafes the next day
5-Jane said " I need to study English here right now"
=> Jane said that she needed to study English there right then
6-Tom said " I must repair this car here now"
=> Tom said that he must repair that car there then