Complete the sentences with the correct options

• skate
• skating
• does
• is doing
• swimming
• swim
• visit
• 'm visiting

1. They [ ] every winter.

   They are [ ] in the park now.

2. He [ ] his homework every day.

   He [ ] his homework at the moment.

3. I'm not [ ] in the river now.

   I [ ] in the lake every Saturday.

4. I usually [ ] my grandparents at the weekends.

   I [ ] my aunt today.