Word Formation (adj. suf.) (v. /n.) + ive e.g. creative impressive productive destructive • His conclusions are purely speculative(specula,反射镜--推测的). • She is selective(选择性的) in the dresses she wears. • Excessive rainfall had made the harvest impossible. • Appearances are deceptive(欺诈的,迷惑的). (v.) + -ible / -able: capable of being (n.) + -ible / -able: causing e.g. reliable: capable of being relied readable: capable of being read pleasurable: causing pleasure comfortable: causing comfort • Heat is convertible into electricity. • Your dress is absolutely adorable. • This essay is admirable in all respects. (n.+) -ful: full of (n.+) -less: without helpful / helpless cheerful / cheerless youthful / *youthless homeless / *homeful, jobless / *jobful (n.+) – y: having … e.g. windy, dirty, tasty Honey, it was a hairy(危险的,让人毛骨悚然的) flight back from Chicago. One engine quit on me, my radio wouldn't work, it was snowing hard -- really hairy! To tell you the truth I was scared to death. The greasy(油腻的) food make her feel sick. The damaged car was labouring(劳动,操劳) along the muddy road. (v.) + -ed: state, passive, past (v.) + -ing: nature, active, present an excite _-ing__ news a neglect(忽略的) __-ed_ old house a touch _-ing__ film an amuse _-ing__ story a disappoint _-ing__ result a solve __-d_ problem a qualify _-ied__ teacher a crowd _-ed__ street a badly-light _-ed__ room a promise _-ing__ young man 本文来源：https://www.wddqw.com/doc/b876cbdaf8c75fbfc77db29a.html