ability可数吗have some musical ability为什么不是复数

ability可数吗have some musical ability为什么不是复数 ability可数吗 可数与不可数名词Almost everyone has some musical ability.句子中的ability是不可数名词吗?前面有some后面为什么不是复数?ability到底什么时候用可数什么时候用不可数,请英语高手回答. have some difficulty (in) doing sth.中的 difficulty可数吗 difficulty可数吗?difference可数 difficulty可数与不可数都行 另外,“have some difficulty” 表示“有某种困难”,“have some difficulties ”表示“有一些困难”,意思不同的!对吗? if you have a ability,say some bird words! ability可数吗?前面是否加冠词...可以说*** is an ability These clothes have some discount.能这样说吗?discount是可数名词吗 rest可数吗,为什么是have a rest或have rests?可书里写的是some resrest可数吗,为什么是have a rest或have rests?可书里写的是some rest? have后可以直接加可数名词复数形式吗I have __stickers。A.a B/ C .some选B, sticking-plaster可不可数?Rt,有 have some breakfast 这种说法吗？have breakfast 可以加什么定冠词或不定冠词。 have the ability some managers have concerns over ability to control working environment from a health and safety as idea可数与不可数在Do you have some idea(s)?中,idea是可数名词（c）还是不可数名词(u)也就是说可以加s吗？ difficulty可数吗高中改错题：I have some difficulty with the use of the language.difficulty是可数的,但为什么不把它改成复数? ability是可数名词还是不可数名词 ability 什么时候为可数,什么时候为不可数? some dogs 是可数名词吗?