everybody except john was able to answer ..able是形容词,他修饰谁?to在这里什么意思
问题描述：
everybody except john was able to answer ..able是形容词,他修饰谁?to在这里什么意思
答
be able to do sth系短语，表示能做某事
答
ABLE TO DO SOMETHING
这是固定用法哦~~~
答
把was able to看成是一个短语助动词,就说was able to = could 那么,could answer就好理解了吧 .to在这里是动词不定式符号.able是形容词,它不修饰谁.讲得再通俗一些：was是逻辑上的系动词,理解为“是”吧；able是逻辑...