Passive voice
-able/-ible - sociable, enjoyable, hospitable, unforgettable, possible, responsible -ous , curious, serious, humorous, nervous, famous, dangerous, - ive creative, talkative, expensive, impressive - ful careful, wonderful, beautiful, useful, helpful, successful - Y- lazy, -, naughty, funny, dirty, noisy -ly- friendly, lovely, unfriendly - ic- energetic, fantastic, exotic, historic, scientific - al- cultural, musical, classical, typical, international, chemical, - - cal - historical Russian, Italian, American, African - ing- boring, cunning, hardworking, loving, English-speaking - less - homeless, careless, useless, helpless