羅伯英文- 搞定初級英文文法的五十堂課Lesson Nineteen ... 搞定初級英文文法的五十堂課Lesson Nineteen 不定詞*「不定詞」就是「to + 原形 ... Ex. Please remember to eat breakfast every day. 請記得每天要吃早餐。(沒吃)