✔ 最佳答案
noun:
-ness/ -ity/ -tion/ -sion/ -ty/ -er/ -nce/ -ry/ -ship/ -ment/ -th/ -ism/ -ure/ -dom/ -age/ -hood
e.g. happiness/ reality/ attention/ division/ cruelty/ writter/ confidence/ bravery/ fridenship/ enjoyment/ truth/ liberalism/ literature/ freedom/ marriage/ adulthood
verb:
no special suffix (exc. for those indicating the tense, ie. -ed/ -ing/ -s)
adj:
-y/ -al/ -ent/ -ave/ -able/ -ed/ -ing/ -ic/ -ly
e.g. happy/ liberal/ confident/ brave/ enjoyable/ starved/ stunning/ euphoric/ cowardly
adv.
-ly/ adj. form
loudly/ fast/ hard/ hardly