小尾巴“-er” 有些动词加上-er是，就变成做这些事的人。如：swim-swimmer游泳者 英文单词什么时候加er表示人什么时候加or表示人？
-er \u8868\u793a\u4eba\u6216\u7269\u3002 \u5982\uff1a\u52a0\u201c-er \u201d\u53ef\u8868\u793a\u201c\u4eba\u6216\u7269\u201d\uff0c\u5982\uff1abeginner\u521d\u5b66\u8005/\u65b0\u624b, driver\u53f8\u673a\uff0cteacher\u6559\u5e08\uff0clabourer\u52b3\u52a8\u8005,runner\u8dd1\u6b65\u8005/\u4fe1\u4f7f,skier\u6ed1\u96ea\u8005\uff0cswimmer\u6e38\u6cf3\u8005,observer \u89c2\u6d4b\u8005/\u89c2\u5bdf\u5458, murderer\u6740\u4eba\u72afpassenger\u65c5\u5ba2, traveller\u65c5\u6e38\u8005,learner\u5b66\u4e60\u8005/\u521d\u5b66\u8005, lover\u7231\u597d\u8005,worker\u5de5\u4eba, researcher\u7814\u7a76\u5458\uff0cprinter\u5370\u5237\u5de5\uff0cgardener\u56ed\u827a\u5de5, owner \u4e3b\u4eba\uff0cwrestler\u6454\u4ea4\u8005\uff0ccooker \u708a\u5177\uff0c\u7089\u7076\u7b49
1\u3001\u4eba\u7269\u793e\u4f1a\u5730\u4f4d\u8f83\u4f4e\uff0c\u6216\u4ece\u5386\u53f2\u4e0a\u770b\u8f83\u4f4e\u65f6\uff0c\u5728\u5176\u540e\u52a0er\uff0c\u8868\u793a\u4eba\u3002
\u5982\uff1abeginner\u521d\u5b66\u8005\u3001driver\u53f8\u673a\u3001labourer\u52b3\u52a8\u8005\u3001runner\u8dd1\u6b65\u8005\u3001passenger\u65c5\u5ba2
2\u3001\u4eba\u7269\u793e\u4f1a\u5730\u4f4d\u8f83\u9ad8\uff0c\u6216\u4ece\u5386\u53f2\u4e0a\u770b\u8f83\u9ad8\u65f6\uff0c\u5728\u5176\u540e\u52a0or\uff0c\u8868\u793a\u4eba\u3002
\u5982\uff1adoctor\u535a\u58eb\u3001tutor(\u5927\u5b66)\u6307\u5bfc\u6559\u5e08\u3001director\u4e3b\u4efb\u3001instructor\u6559\u5458\u3001collector\u6536\u85cf\u5bb6
\u4e00\u3001beginner
\u8bfb\u97f3\uff1a\u82f1 [bɪˈ\u0261ɪnə(r)] \u7f8e [bɪˈ\u0261ɪnər]
\u4f8b\u53e5\uff1a
I am a complete beginner to bird-keeping.
\u5728\u517b\u9e1f\u65b9\u9762\uff0c\u6211\u5b8c\u5168\u662f\u4e00\u4e2a\u65b0\u624b\u3002
\u4e8c\u3001driver
\u8bfb\u97f3\uff1a\u82f1 [ˈdraɪvə(r)] \u7f8e [ˈdraɪvər]
\u4f8b\u53e5\uff1a
The driver lost control when a tyre burst.
\u4e00\u4e2a\u8f66\u80ce\u7206\u4e86\uff0c\u53f8\u673a\u5931\u53bb\u4e86\u63a7\u5236\u3002
\u4e09\u3001runner
\u8bfb\u97f3\uff1a\u82f1 [ˈrʌnə(r)] \u7f8e [ˈrʌnər]
\u4f8b\u53e5\uff1a
There are 18 runners in the top race of the day.
\u5728\u5f53\u5929\u6700\u9ad8\u7ea7\u522b\u7684\u8d5b\u9a6c\u4e2d\u670918\u5339\u9a6c\u53c2\u52a0\u3002
\u56db\u3001tutor
\u8bfb\u97f3\uff1a\u82f1 [ˈtjuːtə(r)] \u7f8e [ˈtuːtər]
\u4f8b\u53e5\uff1a
The old man was tutoring her in the stringed instruments.
\u90a3\u4e2a\u8001\u4eba\u5728\u6559\u5979\u5f39\u5f26\u4e50\u5668\u3002
\u4e94\u3001instructor
\u8bfb\u97f3\uff1a\u82f1 [ɪnˈstrʌktə(r)] \u7f8e [ɪnˈstrʌktər]
\u4f8b\u53e5\uff1a
She ran off with an intellectually challenged ski instructor.
\u5979\u548c\u4e00\u4e2a\u8111\u7b4b\u4e0d\u592a\u597d\u4f7f\u7684\u6ed1\u96ea\u6559\u7ec3\u79c1\u5954\u4e86\u3002
drive-driver司机
run-runner跑步者/信使
murder-murderer杀人犯
travel- traveller旅游者
learn-learner学习者/初学者,
love-lover爱好者
work-worker工人
play-player运动员
teach-teacher教师
dance-dancer舞蹈者
sing-singer歌手
small-smaller更小
large-larger更大
tall-taller更高
fat-fatter更胖
late-latter更晚
long-longer更长
play-player运动员 teach-teacher教师 work-worker工人 dance-dancer舞蹈者 sing-singer歌手 small-smaller更小 large-larger更大 tall-taller更高 fat-fatter更胖 late-latter更晚 long-longer更长
扩展阅读：的丶地丶得丶用法区别 ... 动物尾巴加动词 ... 动词加er变职业口诀 ... 什么甩着长长的尾巴 ... 比较好用 的 车载应用 ... 加er ... 动词加or变人小口诀 ... 动词加or还是er ... er职业 ...
