they have seen this film before.改为被动句

they have seen this film before.改为被动句 英语 改为感叹句I have seen an interesting film before 改为间接引语:They said,"Iwe have seen the film" I have already seen the film （改为否定句） I have never seen _____ film before. i have seen the film before This is such a wonderful film ——I have never seen before have seen this horror film already.(用the year before last改写) we have seen this film twice 改同义句tihs film ( )( )( )twice I′ve never seen such a good film before.(同义句） This is the ( so i have seen this film t have you ever seen this film