英和辞典
  
can't
kǽntキャント
話cannot を短くした形
I can't speak French.
I can't speak French.
私はフランス語は話せない.
Can't you hear that strange noise?
Can't you hear that strange noise?
君はあの変な音が聞こえないのかい.
  ⦣ ×Cannot you hear ~? としない.
You can play the piano, can't you?
You can play the piano, can't you?
あなたはピアノが弾ひけますね.
  ⦣ ~, can't you? は「~ですね」と念を押おす用法. ×~, cannot you? としない.