expose.display.exhibit/show
- I'd like a pen like the one displayed/shown in the wndow(Not *exhibited*)(=on view, expecially for sale)
- The gallery exhibits/displays/shows work by unknown artists. (Not *exposes*) (=has on view, expecially to be admired)
- Curtains are bound to fade if they're exposed to sunlight.(=not protected from)

hear
-I hear very well.(Not * I'm hearing*)
(stative use : natural ability : also I can hear very well)
- I hear you've been promoted.(Not * I'm hearing*)
(stative use = I have been told)
- I hear/I'm hearing much better with this new hearing aid.(stative or dynamic use depending on the speaker's emphasis : natural ability)
- We've been hearing all sorts of strange reports about you.
(dynamic use = have been told)
- DId you hear him leave/leaving?
(Not * hear him ot leave*)
(bare infinitive = the whole action, or -ing= part of the action after hear someone)
- I heard what you said. (Not * heared*) (spelling of past tense)