близко - close, closer, closest
рано - early, earlier, earliest
поздно - late, later, latest
мало - little, less, least
скоро - soon, sooner, soonest
упорно - persistently, more persistently, most persistently
счастливо - happily, more happily, most happily
сильно - strongly, more strongly, most strongly
слабо - weakly, more weakly, most weakly
медленно - slowly, more slowly, most slowly
быстро - quickly, more quickly, most quickly
громко - loudly, more loudly, most loudly
сердито - angrily, more angrily, most angrily
тепло - warmly, warmer, warmest
хорошо - well, better, best
много - much/many, more, most
далеко - far, farther/further, farthest/furthest
плохо - badly, worse, worst
редко - rarely, more rarely, most rarely
удобно - comfortably, more comfortably, most comfortably
красиво - beautifully, more beautifully, most beautifully