是I heard her singing对还是I hear her singing对如果第一个对为什么要加过去态呢

问题描述:

是I heard her singing对还是I hear her singing对
如果第一个对为什么要加过去态呢

第一个对,要加过去态,因为说话时所形容的是过去式:我听到了她在歌唱.I hear her singing文法已经错了,现在式的说法应该是:I am hearing her sing.可是,文法更正后,句子便别扭了.现在式应该用:I am listening to her sing.