22.　 find→found→found(找)found→founded→founded(建立)

21.　 February (n.) 二月

20.　 fetch/bring/take/carry the umbrella

19.　 feed→fed→fed(喂)→Cattles feed on the grass.(牛以草为食物。)

18.　 favour (n.) 恩惠→favourite (adj.) 最喜欢的

17.　 farm (n.) 农场→on the farm 在农场上

16.　 famous (adj.) 著名的→be famous for 以…著名

Shanghai is famous for Inner City Temple. (上海以城隍庙著名。)

15.　 familiar (adj.) 熟悉的→sb. be familiar with sth. =sth. be familiar to sb.

14.　 fall→fell→fallen (落下)feel→felt→felt (感觉)

13.　 fair (adj.) 公平的→句型：It’s fair for him to do sth., I find it fair to do sth.

规律：convenient, important, fair等词大写it形式主语，小写it形式宾语。