1,Tom (don`t / doesn`t) ,swim.
2.They (don`t / doesn`t) skate.
3.His mother (skate /skates) well.
4.Your mother (don`t /doesn`t) skate.
5,Her sister (swim / swims) well.
6.Your brother (have / has) a dog.
7,My aunt (like / likes) to ski.
8.His uncle (don`t / doesn`t) like to ski.
9,My sisters (have / has) the cats.
10,His brothhers (like / likes) to swim.