英语单词变化1.work-worker2.paint-painter3.sing-singer4.teach-teacher5.read-reader6.drive-driver7.swim-swimmer8.write-writer9.play-player10.dance-dancer11.ride-rider12.run-runner还有什么+er变化的单词?举1-2个

　　英语单词变化

　　1.work-worker2.paint-painter

　　3.sing-singer4.teach-teacher

　　5.read-reader6.drive-driver

　　7.swim-swimmer8.write-writer

　　9.play-player10.dance-dancer

　　11.ride-rider12.run-runner

　　还有什么+er变化的单词?

　　举1-2个