ic ▁pron oun s , ▁such ▁as ▁. ) ▁All ▁pro par ox y ton es ▁and ▁so bres dr ú j ulas ▁have ▁a ▁written ▁acc ent ▁mark . ▁ ▁Ad ject ives ▁sp elled ▁with ▁a ▁written ▁acc ent ▁( such ▁as ▁, ▁ ▁, ▁) ▁keep ▁the ▁written ▁acc ent ▁when ▁they ▁are ▁made ▁into ▁ad ver bs ▁with ▁the ▁- mente ▁ending ▁( th us ▁, ▁ ▁, ▁), ▁and ▁do ▁not ▁gain ▁any ▁if ▁they ▁do ▁not ▁have ▁one ▁( th us ▁ ▁from ▁). ▁In ▁the ▁pron unci ation ▁of ▁these ▁ad ver bs — as ▁with ▁all ▁ad ver bs ▁in ▁— primary ▁stress ▁is ▁on ▁the ▁ending , ▁on ▁the ▁pen ult imate ▁sy ll able . ▁The ▁original ▁stress ▁of ▁the ▁ad jective — wh ether ▁marked , ▁as ▁in ▁fá cil mente , ▁or ▁not ▁marked , ▁as ▁in ▁libre mente — may ▁be ▁manif ested ▁as ▁a ▁secondary ▁stress ▁in ▁the ▁ad verb . ▁ ▁Acc ent u ation ▁of ▁capital ▁letters ▁The ▁Real ▁Academia ▁Españ ola ▁indicates ▁that ▁acc ents ▁are ▁required ▁on ▁capit als ▁( but ▁not ▁when ▁the ▁capit als ▁are ▁used ▁in ▁ac ron ym s ). ▁ ▁D iffer ential ▁acc ents ▁ ▁In ▁eight ▁cases , ▁the ▁written ▁acc ent ▁is ▁used ▁to ▁distinguish ▁str essed ▁mon os yll ab ic ▁words ▁from ▁cl it ics : ▁ ▁However , ▁names ▁of ▁letters ▁and ▁musical ▁notes ▁are ▁written ▁without ▁the ▁acc ent , ▁even ▁if ▁they