<3. Key Points>
(1). A mare 一匹母马
What's the mare like?
这匹母马长什么样子呢？
She's an old gray mare.
她是一匹老灰马。
She is not happy. Why?
她不开心，为什么呢？
(2). ① used to be 过去曾经是
what she + used to be
她过去的样子
②ain't (等于are not, am not) + what she used to be 不是她过去的样子
She + ain't what she used to be
她已不像她过去的样子
(3). What did she use to be?
她过去是什么样子呢？
She is very proud.
她是非常骄傲自豪的。
But look at her.
但是看看她
What does she look like now?
现在她变成什么样子啦？
She is just an old gray mare now.
她现在只是匹老灰马。
