We heard Tom sing an English song just now.改为被动

We heard Tom sing an English song just now.改为被动 we heard Tom sing an English song just now.是从句么 tom was heard ___(sing)when we went past his room Do we use them for posting letters?Where did you build the bridge?Can she finish her homework 还有一个,We heard Tom sing an English song just now.都改为被动语态! I gave a book to Mary last week.Do we use them for poeting letters?Where did you build the bredge?Can she finish her homework today?We heard Tom sing an English song just now.改为被动语态 I gave a book to Mary last week.Do we use them for poeting letters?Where did you build the bredge?Can she finish her homework today?We heard Tom sing an English song just now.改为被动语态 Last year,he often heard Tom (sing) in next room we heard them sing in shanghai 改为被动语态 we heard her sing at the part last sunday Listen!l heard Tom __in the next room.A,sing B.sings C.sang D.singing not,time,Tom,we,for,from,a,heard,long,have we often hear her sing the song同义句转换 _____ is often heard _____ sing the song. 将下列句子改为被动语态!Who wrote this novel?We heard him sing this song. 改为被动语态：We heard him sing in his room just now we heard a girl sing in the next room just now的被动语态是什么 we often heard her sing in the next room 为什么动词不是ing形式的? we heard her_____ (sing)in the next room a moment ago. we heard her sing in the next room.变成被动语态