Что значит "grandma is doing the gardening"?

Это значит бабушка занимается садоводством

Бабушка занималась садоводством?

А что здесь делать?)))))))))

1 Where did you lie?
2 What did you see?
3 Did the raft suddenly turn around on the current and enter another tunnel?
4 A mist seemed to drift from the roof of the tunnel,didn’t it?
5 Did the light grow brighter as you moved forward?
6 Who moved as if in a dream?
7 Why were you afraid to wake them?
8 What caught your attention?
9 Was it the size of a whale or a dolphin?
10 Was his mouth like a shark’s or whale’s?
11 Where did you run?
12 Was the cave deep and dimply lit?
13 What was the sandy floor of the cave covered with?
14 How did you feel?
15 Who lived in this cave?

C. present contin. tense