prep

• ① 名词的所有格后缀Jack's, women's, dog's, wife's, nurse's, students'(★专有名词的最后字母如为s,通常-s's, -s'均可用:Burns's, Burns')

• ② 文本、数字、略语等的复数字尾:i's/5's/M.P.'s.
  • the 1980's一九八○年代
  • He got five A's.他的成绩得到五个甲。

prep

• ① 【口】is的缩形
  • He's (=He is) a teacher.他是一位教师。
  • That's (=That is) correct.那是对的;不错。

• ② 【口】has的缩形
  • He's (=He has) gone out.他出去了。
  • The bread's (=bread has) been baked.面包烘烤好了。

• ③ 【口】does的缩形(★用于疑问词之后)
  • How's (=How does) she know it?她是怎么知道?
  • What's (=What does) she want?她要什么?

prep

• ① 【口】us的缩形(★除let's (=let us)以外,其他的说法为【方】)
  • Let's go.我们走吧。