I am going / not going to ... next summer.
doing sport
I am going / not going to ... next summer.
playing outdoor games
I am going / not going to ... next summer.
exploring new places/ visiting new places
I am going / not going to ... next summer.
going to the beach
I am going / not going to ... next summer.
relaxing in nature
I am going / not going to ... next summer.
sunbathing
I am going / not going to ... next summer.
walking with friends
I am going / not going to ... next summer.
boating
I am going / not going to ... next summer.
backpacking
I am going / not going to ... next summer.
collecting stamps (something)
I am going / not going to ... next summer.
gardening
I am going / not going to ... next summer.
bicycling
I am going / not going to ... next summer.
exploring something
I am going / not going to ... next summer
horse riding
I am going / not going to ... next summer.
diving
I am going / not going to ... next summer.
hanging with friends in the yard
I am going / not going to ... next summer.
camping
I am going / not going to ... next summer.
meeting with friends/ hanging with friends
I am going / not going to ... next summer.
playing outdoor games
I am going / not going to ... next summer.
having a road trip
I am going / not going to ... next summer.
sightseeing
I am going / not going to ... next summer.
going shopping
I am going / not going to ... next summer.
rock climbing
I am going / not going to ... next summer.
fishing
I am going / not going to ... next summer.
visiting a café
I am going / not going to ... next summer.
building sand castles
I am going / not going to ... next summer.
going to the theatre
I am going / not going to ... next summer.
going to the cinema
I am going / not going to ... next summer.
rafting
I am going / not going to ... next summer.
taking photos
I am going / not going to ... next summer.
visiting amusement parks
I am going / not going to ... next summer.
surfing/ surfboarding
I am going / not going to ... next summer.
visiting water parks
I am going / not going to ... next summer.
going to concerts
I am going / not going to ... next summer.
having a safari ride
I am going / not going to ... next summer.
hiking
I am going / not going to ... next summer.
scuba diving.
I am going / not going to ... next summer.
visiting museums
I am going / not going to ... next summer.
going to the forest (wood)
I am going / not going to ... next summer.
picking mushrooms