Modifiers matching happening:

• informal,
• local,
• social,
• significant,
• historical,
• smaller,
• extraordinary,
• celestial,
• important,
• unusual,
• cultural,
• nasty,
• firm,
• major,
• unpleasant,
• strange,
• covered,
• unforeseen,
• familiar,
• special,
• current,
• past,
• public,
• unexpected,
• corporate,
• national,
• untoward,
• unwanted,
• terrible,
• abnormal,
• serious,
• everyday,
• schoolwide,
• unfortunate,
• climatic,
• exceptional,
• disastrous,
• organized,
• surrounding,
• traumatic,
• outlandish,
• natural,
• internal,
• cool,
• underwater,
• astronomical,
• mental,
• planned,
• horrible,
• seasonal,
• dramatic,
• interesting,
• pleasant,
• evil,
• rural,
• ordinary,
• global,
• contemporary,
• congregational,
• technological,
• exciting,
• distant,
• sporting,
• paranormal,
• common,

Simple categories matching past:

• activity,
• event,
• exchange,
• knowledge,
• inhabitant,
• attempt,
• industry,
• feeling,
• hazard,
• catastrophe,
• illness,
• emotion,
• organization,
• change,
• experience,
• action,
• work,
• style,
• war,
• movement,
• training,
• instrument,
• improvement,
• disturbance,
• formation,
• behavior,
• society,
• practice,
• state,
• giant,
• week,
• thing,
• space,
• civilisation,
• history,
• difficulty,
• condition,
• problem,
• measure,
• works,
• episode,
• relationship,
• record,
• competition,
• perception,
• content,
• sport,
• achievement,
• dish,
• situation,
• success,
• business,
• happening,
• years,
• disease,
• disaster,
• bill,
• tradition,
• obstruction,