I can understand what you mean in your post above. Do these verbs like 'walk', 'shop', etc. in these sentences you wrote below refer to one complete action?
Thank you very much for your help.
Gustavo, Contributor posted:
1'. I need some exercise. I think I'll walk a mile.
2'. I need some exercise. I think I'll walk (instead of taking a taxi).
3'. Let's shop/ hike/ fish.
4'. Let's shop in the store.
5'. I am going to hike in the woods tomorrow morning.