The girl is often heard ______ this English song in her room

2个回答

  • 将这句被动语态还原成主动语态的句子是“sb often heard the girl sing this English song in her room”,hear这个词的宾补结构在主动语态中有hear sb do sth这种,是省去了to的不定式(请比较ask sb to do sth),但在被动语态中,补语部分的to要补回来,所以是to sing

    类似的动词还有make、let、have,see、feel等等