shy的比较级是shyer shier还是more shy（shy的比较级为啥是直接加er）

shy的副词是shyly

比较级shyer/shier

最高级 shyest/ shiest

一 、少数单音节词前面加 more-, most- 构成比较级和最高级（1）tired ---- more tired , most tired（2）fond ----- more fond , most fond（3）glad ----- more glad , most glad（4）bored ---- more bored , most bored（5）pleased---- more pleased , most pleased