just,to,he,sing,now,heard,song,was,this 如何造句急需!谢

just,to,he,sing,now,heard,song,was,this 如何造句急需!谢 HE ( ) in the classroom just now.he ( )be there now为什么答案是WAS　HEARd　TO SING 　, may 而不是was heard sing ,must He___in the classroom just now , he ___be there now A. heard to sing , may B.was heard singHe___in the classroom just now , he ___be there now A. heard to sing , mayB.was heard sing ,must c.heard sing , must. D.was heard to sing , may 有没有be heard doing的说法看一个例句：he is heard to sing now./he was heard to sing just now 这里为什么用sing,我想都是短暂的动作不应该用singsing吗? 变为被动语态he gave me some books she heard him sing a song just now 翻译英语被动句 I HEARD HER SING THE SONG JUST NOW SHE WAS HEARD TO SING THE SONG JUST NOW 翻译 A bird was heard __________in the tree just now.A.singing B.sing C.to sing D.sang The boy______(stand)in th middile of the classroom______(hear)to sing just now. the _____(sing) _______(sing) a beautiful song just now. did you hear the girl just now?yes.she very wella.sing,sings b.to sing,sang c.sing,sang d singing,sings I'm just want to sing for i heard lucy sing just now 变被动语态 I heard someone______(sing) just now.横线上填什么? I heard some children __(sing) a song just now . did you hear her ______(sing) loudly just now?变形 please ( ) a phone call to Mr.Brown .He ( )(call)you just now please ( )(make) a phone call to Mr。Brown .He ( )(call)you just now He took his car to the park just now.同意句He 一个空 his car to the park just now. The teacher is good at ___(sing).She ___(sing)a song just now.