你好应该是形容词
big-bigger-biggest
thin-thinner-thinnest
strong-stronger-strongest
good好 better best
bad坏的 worse worst
much多（形容不可数名词） more most
little少 less least
many多 （形容可数名词）more most
far farther farthest 远
far further furthest 程度更高的,比如futher education高等教育
old老,年纪较长 older/elder oldest/eldest
还要注意的是,一些三音节以上的形容词在比较级和最高级变形时,形容词不变形,在该词前加上more,most
如,
more interesting
tired ---- more tired ,most tired
fond ----- more fond ,most fond
glad ----- more glad ,most glad
bored ---- more bored ,most bored
pleased---- more pleased ,most pleased
good /well------- better ,best
bad/badly/ill------ worse ,worst
many/much-------more ,most
little ------ less ,least
far ---- farther,farthes / firther ,furthest
old ---- older ,oldest (GA)
---- older ,oldest / elder ,eldest (GB)
cruel----- crueler,cruelest /
more cruel ,most cruel
strict---- stricter ,strictest /
more strict ,most strict
often----- oftener ,oftenest /
more often ,most often
friendly------ friendlier ,friendliest /
more friendly ,most friendly
clever----- cleverer,cleverest /
more clever ,most cleve