If your wanting this translated by English it’s You don't (go) to school by bus. You (walk).
1. tiene (possessive description)
2. sepa (non-realistic description; an ideal)
3. está (possessive; the clinic (not a clinic))
4. ayude (ningún, alguien, and nadie are always subjunctive)
5. pueda (an ideal; a surgeon (may or may not exist) and not the surgeon)
1. B.) la semana pasada
2. B.) latest designs in footwear
3. C.) an area of craft shops
There you go.
