1. Special conditions apply if you are under 18.<br/><br/>2. Special conditions are applied (by the authorities) if you are under 18.<br/><br/>3. The word 'unexciting' could never be applied to her novels.<br/><br/>4. The word 'unexciting' could never apply to her novels.<br/><br/>I think the verb <i>apply</i> is very unique because it also has the passive form without changing the subject as above.<br/><br/>Are there the same type of verbs as <i>apply</i>?