1.do(v.) → does (三单形式)→ did (过去式)→ done (过去分词)
2.go(v.)→ goes (三单形式)→ went (过去式)→ gone (过去分词)
3.get(v.)→ got (过去式/过去分词)
4.late(adj.)→ later (adv.)后来→ lately (adv.) 最近,近来
5.interesting(adj.)interest (n./v.)→ interesting (adj.) 感兴趣的
6.bore(v.)→ boring (adj.) 没趣的→ bored (adj.) 厌倦的
7.fun(n./adj.)→ funny (adj.)
8.relax (v.) →relaxing (adj.) 令人轻松的 → relaxed (adj.) 感到轻松的
9.easy(adj.)→ easily ( adv.)
10.tomato(n.) →tomatoes (复数)
11. have(v.) → has (三单形式)
11.eat(v.) → ate (过去式)→ eaten (过去分词)
12.health (n.) → healthy (adj.)
13.real(adj.)→ really (adv.)
14.take(v.)→ took (过去式)→ taken (过去分词)
15.buy(v.)→ bought (过去式/过去分词)
16.sell(v.)→ sale (n.)
17.tewlve(num.)→ twelfth (序数词)
18.twenty(num.)→ twentieth (序数词)
19.happy(adj.)→ happily (adv.)→ happiness (n.)
20. music(n.) → musical (adj.)→ musician (n.)音乐家
21.history(n.)→ historical (adj.)
22.free(adj.)→ freedom (n.)
23.use (n. /v.) → useful (adj.)
24.love(n./v.)→ lovely (adj.)
25.play(v.) → player (n)