1 I heard him sing in the next room 2 The man gave me 10 books 3 She bought her month some gifts改为被动语态

1、When I passed his room,I heard him （）（sing） I heard him singing改为被动语态which is correct?then I heard him sing? I heard him singing there改被动句是heard singing还是heard to sing I heard him ____ (sing) when I passed his room该填什么?为什么这样填? the,morning,I ,him,sing ,heard,song ,this .连词成句. I often heard () (sing) in the room I heard him sing in the classroom改为被动语态?someone say it should be modified likehe was heard to sing in the classroom.is that correct? 1 I heard him sing in the next room 2 The man gave me 10 books 3 She bought her month some gifts改为被动语态 i heard him （）（sing）at that moment i heard he （）（sing）at that time第一个填sing 第二个填wassinging.麻烦大家帮我讲讲! 1、When I passed his room,I heard him （）（sing）2、I always can't sleep well because I oftenhear some animals （）（make） so much noise I heard him sing a song in the next room just nom .(改为同义句）He ( ) ( )( ) sing a song in the next room just nom. 适当形式填空 I heard him （ ）(sing)in the next room.答案写的是sing,但为什么不写singing呢? i heard him ()in the next room a few minutes ago.sing;to sing;singing;sang,应该选哪个?有ago是不是应该选一般过去时? I've never heard of him before. I heard him ____ (sing) when I passed his room填什么、、、、老师说应该填singing、、我觉得应该填was singing呢 i heard her singing.i heard her sing.有什么不同啊? i heard lucy sing just now 变被动语态 I heard someone______(sing) just now.横线上填什么?