这有几题直接引语变间接引语，快！！救命滴

1.My mother told me she wasweatering the flowers.
2.David told his father came to work by car three times aa week.
3.Mary asked Tom Did you like studying here
4.The policeman told the boy don't play football in the street
5.The teacher said to the boy what did you like doing in your free time.

My gramma said to me that she was watering the flowers then.
David said that his father came to work by car three times a week.
Mary said to Tom that if you liked studing there.
The policeman said to the boy that not to play football in the street.
The teacher asked the boy that what you liked in your free time.

My gramma told me she was watering the flowers at that time

2.David said his father comes to work by car three times a week

3.Mary asked Tom if Tom liked studying there

4.The policeman asked the boy not to play footballin the street

ddrqw123 那位的第二句错了吧
应该是David said his father came to