名詞變形容詞的方法有以下這些：

1．名詞后加-y, 如： luck→lucky, cloud→cloudy; wind→windy; rain→rainy; sun→sunny, snow→snowy noise-noisy health→healthy

2．在名詞后加-ly, 如： friend→friendly love→lovely day→daily

3．方位名詞加-ern，如： east→eastern west→western south→southern north→northern

反之，即把形容詞變成了名詞。

形容詞：cloudy 陰天的 rainy 下雨的sunny晴朗的 windy 有風的snowy 下雪的動詞：rain 下雨 snow 下雪 shine 照耀blow 刮風 thunder 打雷名詞：rain 雨 snow 雪sun/sunshine 陽光 wind 風 cloud 云storm 暴雨 thunderstorm 雷雨thundershower 雷陣雨 lightning 閃電snowstorm 暴風雪 rainstorm 暴風雨 天氣預報專用詞： AM Clouds / PM Sun=上午有云/下午后晴AM Showers=上午陣雨AM Snow Showers=上午陣雪AM T-Storms=上午雷暴雨Clear=晴朗Cloudy=多云Cloudy / Wind=陰時有風Clouds Early / Clearing Late=早多云/晚轉(zhuǎn)晴Drifting Snow=飄雪Drizzle=毛毛雨Dust=灰塵Fair=晴Few Showers=短暫陣雨Few Snow Showers=短暫陣雪Few Snow Showers / Wind=短暫陣雪時有風Fog=霧Haze=薄霧Hail=冰雹Heavy Rain=大雨Heavy Rain Icy=大冰雨Heavy Snow=大雪Heavy T-Storm=強烈雷雨Isolated T-Storms=局部雷雨Light Drizzle=微雨Light Rain=小雨Light Rain Shower=小陣雨Light Rain Shower and Windy=小陣雨帶風Light Rain with Thunder=小雨有雷聲Light Snow=小雪Light Snow Fall=小降雪Light Snow Grains=小粒雪Light Snow Shower=小陣雪Lightening=雷電Mist=薄霧Mostly Clear=大部晴朗Mostly Cloudy=大部多云Mostly Cloudy/ Windy=多云時陰有風Mostly Sunny=晴時多云Partly Cloudy=局部多云Partly Cloudy/ Windy=多云時有風PM Rain / Wind=下午小雨時有風PM Light Rain=下午小雨PM Showers=下午陣雨PM Snow Showers=下午陣雪PM T-Storms=下午雷雨Rain=雨Rain Shower=陣雨Rain Shower/ Windy=陣雨/有風Rain / Snow Showers=雨或陣雪Rain / Snow Showers Early=下雨/早間陣雪Rain / Wind=雨時有風Rain and Snow=雨夾雪Scattered Showers=零星陣雨Scattered Showers / Wind=零星陣雨時有風Scattered Snow Showers=零星陣雪Scattered Snow Showers / Wind=零星陣雪時有風Scattered Strong Storms=零星強烈暴風雨Scattered T-Storms=零星雷雨Showers=陣雨Showers Early=早有陣雨Showers Late=晚有陣雨Showers / Wind=陣雨時有風Showers in the Vicinity=周圍有陣雨Smoke=煙霧Snow=雪Snow / Rain Icy Mix=冰雨夾雪Snow and Fog=霧夾雪Snow Shower=陣雪Snowflakes=雪花Sunny=陽光Sunny / Wind=晴時有風

cloud是名詞 意思是云 cloudy是形容詞 就是多云的 在比如 rain 名詞意思是雨 rainy就是指一個地區(qū)多雨的 還有wind/windy等

snow雪(名詞)

snowy下雪的(形容詞)

rain雨(名詞或動詞)

rainy下雨的(形容詞)

wind風(名詞)

windy刮風的(形容詞)

cloud云彩(名詞)

cloudy多云的(形容詞)

sunny晴天的(形容詞)

sunshine陽光(名詞)

cool涼爽的(形容詞)

cold寒冷的(形容詞)

warm溫暖的(形容詞)

hot酷熱的(形容詞)

cloud的形容詞為cloudy