What is the antonym of the past?

Refreshing, chanting, singing, waterfall, steep, tall and straight, physical, exquisite, subtle, mysterious, chivalrous, quiet, following, alley, handsome, baking, rhyme, playing, exploring, diligent, roaming, kissing, honoring, aftertaste, meaningful, busy, meaningful and huge. Construction, obstruction, control, feeling, arduousness, determination, leveling, encouragement, badness, mud, bifurcation, sincerity, avoidance, obscurity, desolation, quotation, intensity, Juyongguan, cliff, gale, ridicule, agitation, ups and downs of ideological trend, visibility, investigation, adjustment, desolation and sharing. Babbling, comforting, shelving, unwilling, complaining, listening, mentioning, burly, tearing, unlucky, serious, worried, sacred, leisurely, solemn, ceremonial, sorry, slipping away, caring, questioning, absurd, prestige, giving up, dripping, jumping, self-mutilation, sewing, surprise, etc. Running away, fingers connected, staring, cheerful, looking forward, crystal clear, resources, minerals, gifts, temperance, fatigue, abuse, threats, expectations, assumptions, immigration, crushing, witnessing, holiness, horses, eagles, gurgling, echoing, nourishing, kindness, turpentine, preciousness, nourishing and caring. Xanadu, falling from the sky, dying, experiencing wind and rain, kitchen, hedgehog, beast, relic, elegiac couplet, tribute, caress, reunion, plot, memory, preservation, gloomy, humble, cold, deep, detailed, skinny, dead, article, cough, bright, crying, silence. Hard, soft, rainy in Mao Mao, stuttering, recovering from a serious illness, plastic, biscuits, rhythm, music, auspicious, eager, hurried, Japanese aggressors, buried, dead, breathing, bananas, leather, dignified, luxurious, heroic, sad, boundless, stone tablets, cadence. Empty, naked, quiet, straight, unwilling to lag behind, do everything possible, laugh and cry, travel long distances, swagger, disappear, compose music, be quiet, candle, blind, clever, strange, quiet, key, intoxicated, wake up, gallop, record, Rhine, now, microwave shines, visit and negotiate.