-er“人” teach teacher play player clean cleaner drive driver (以e结尾,-r) run runner (重读闭音节,双写-er) win winner travel traveller -or“人” invent inventor visit visitor -ly(副词后缀) bad badly / quick quickly careful carefully / happy happily deep deeply / lucky luckily usual usually noisy noisily slow slowly / angry angrily strong strongly /quiet quietly 特例: true truly terrible terribly possible possibly -ful(形容词后缀) care careful help helpful use useful forget forgetful -y (形容词后缀) rain rainy luck lucky cloud cloudy noise noisy (以e结尾,去e,加-y) snow snowy sun sunny (双写,加-y) wind windy -ion(名词后缀) invent invention operate operation -ness(名词后缀) busy business good goodness 一些特例: 动词---形容词 sleep asleep die dead enjoy enjoyable 动词---现在分词转化为名词 boat boating build building begin beginning (责任编辑:admin) |