求译When I am good,I am very good,when I am bad,I am better.请问此句英文如何翻译,出自何处?When I am good,I am very good,when I am bad,I am better.有没有中文的介绍，英语不那么好。

求译When I am good,I am very good,when I am bad,I am better.请问此句英文如何翻译,出自何处?When I am good,I am very good,when I am bad,I am better.有没有中文的介绍，英语不那么好。 I AM A GOOD I am a good I am not a good I am a pretty good If I am a good i.am.a.good.girl I am a good people Lunch is my favuorite subject when I am at school.I am really good at it.求全文翻译 I am good a student I am a good student 哪个对 理由I am good a student I am a good student 哪个对 理由 I am a good student怎么翻译 But I Am A Good Girl 歌词 i am a good girl歌词 i am a good cooker是什么意思 you know,I am a good boy. it would be a good experience for me because i want to be a doctor when I am older怎么是I am而不是I are,前面的would是will的过去式啊是I am改I were when i am gone I am so good a teacher还是I am a so good teacher?哪一个正确?为什么?