it’s no use / good doing sth.为固定句型 doing哪些算use和good的变形

it’s no use / good doing sth.为固定句型 doing哪些算use和good的变形
it’s no use / good doing sth.为固定句型 doing
哪些算use和good的变形

it’s no use / good doing sth.为固定句型 doing哪些算use和good的变形
n 以下句型中,it为形式主语,真正的主语用动名词结构.
n It is no use/good/need/fun doing sth.
n It is a waste of time/a good pleasure…
n It is not any use/useless…
n It is a good habit getting up early.
n It is no good writing to her,she never answers letters