形容词是用一般放在名词noun 或代词pronoun 前面。
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well是副词,good是形容词
连续动词或叫系动词 linking verbs ,比如 be ,get become.
还有一些感官动词sense verbs,比如 smell, taste, feel , look , seem等
他们后面,根据具体意思,如果是作表语,用形容词,不用副词。
This bread smells good. (不能用well)
Our progress was/seemed/felt slow. (不是用slowly)
His food tastes/smells/looks amazing. (用ing还是用ed ?)
My grandfather's house is nearby.(状语,是副词)
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如果问 How are you? 时,回答是 I am well(身体健康用这个),或 I am fine (是否顺心,做事是否顺利用这个).
He sings well.
He's a wonderfully good singer,
He sings incredibly well.