19/03/2024
Hi, please have a look at this sentence: 1/ I have heard her sing this song several times. => when it is changed into passive voice, should it be: She has been heard singing this song several times or: She has been heard to sing this song several times => I’ve searched it on Google and found that both cases are used, so what is the difference between the two usages? 2/ Besides, is my way of changing this following sentence into passive voice right or wrong? It’s your duty to do this wor...