1.kind善良的,  unkind无情的,  polite礼貌的,  rude粗鲁的,  care关爱,照顾,  respect尊重,  show care for表示关怀,  show respect to表示尊重.

   kind: always show care for others. 善良的:总是关心他人。

   unkind: never show care for others. 无情的:从不关心他人。

   polite: always show respect to others. 礼貌的:尊重他人。

   rude: never show respect to others. 粗鲁的:从不尊重别人。

2.语法：

   Past simple: Subject + Verb(past tense) + Object 

   一般过去时: 主语+动词(过去时)+宾语

   I cleaned.  I asked.  You talked.  You waited.  

   He played.  He worked.  She cooked.  She helped.

   It jumped.  It walked.  We watched.  We traveled.  

   You climbed.  You kissed.  They washed.  They visited.

3.I was ……., but I am …….. now. 我过去是.......，但现在我是........。

   I was unkind, but I am kind now.

   You were ……., but you are ……. now. 你过去是.......，但现在你是........。

   You were shy, but you are outgoing now.

   She was ……., but she is ……. now. 她过去是.......，但现在她是........。

   She was mean, but she is generous now.

   He was ……, but he is ……. now. 他过去是.......，但现在他是........。

   He was polite, but he is rude now.

4.I am …….. because I always/never …….. 

   我是........因为我总是/从不........

   I am kind because I always show care for others.

   I am rude because I never show respect to others.

   He/She is …….. because he/she always/never …….. 

   他/她是……..因为他/她总是/从不........

   He is unkind because he never shows care for others.

   She is polite because she always shows respect to others.