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

可数与不可数名词Almost everyone has some musical ability.句子中的ability ability可数吗?前面是否加冠词... 英语语法问题I have the ability to do that为什么不能写成I have the ability if you have a ability,say some bird words! born with the ability to learn have some good hab 是have ability to 还是have the ability to ? ability 什么时候为可数,什么时候为不可数? ability是可数名词还是不可数名词 英语翻译Ability:*Good oral and written English ability,and have musical instrument可数吗 A cat's ability to survive falls is based on fact.为什么用复数fall the students have different ,d_ of ability