考(かんが)えられないUnthinkable, Inconceivable, Unimaginable, Cannot think

These two forms of the verb 考える express opposite sentiments. 考えられない (lit. 'one cannot think') expresses strong disbelief or the idea that something is inconceivable, e.g. 'そんなことは考えられない' ('I can't imagine such a thing'). In contrast, と考えられている indicates a commonly accepted or reasoned belief, often used in formal writing to make statements less direct, e.g. 'これは効果的だと考えられている' ('This is considered effective').

These two forms of the verb 考える express opposite sentiments. 考えられない (lit. 'one cannot think') expresses strong disbelief or the idea that something is inconceivable, e.g. 'そんなことは考えられない' ('I can't imagine such a thing'). と考えられる, on the other hand, expresses a reasoned or likely conclusion, e.g. 'これは自然な結果だと考えられる' ('This can be considered a natural result').