形容词是没有时态变化的
只有形容词前面的be 动词 或者说整句话中的谓语动词才会随时态变化而变形
I used to be afraid of the dark.
I was very shy when I was a teenager.
再问： 形容词比较级20个谢谢
再答： good-better nice-nicer tall taller strong stronger old older . large larger fine finer late later big bigger hot hotter thin thinner easy easier busy busier happy happier valuable more valuable dangerous more dangerous comfortable more comfortable
