(interrogative; for things) what; (after a preposition) / (interrogative; for things) what; (attributive or direct object; colloquial) / (relative; for things) what, (that) which; (direct object) / (relative; for things) what, (that) which; (after a preposition) / (after de and before an infinitive verb); enough (of something specific) / (after de and before an infinitive verb); nothing / (before a subjunctive verb) whatever; (direct object) / (before a subjunctive verb) whatever; (subject of an impersonal verb)