Are those nice pictures yours?改成肯定句

Are those nice pictures yours?改成肯定句 They are not any nice pictures改肯定句 Are those banana trees?改成肯定句和否定句 Are those yellow bikes old?（改成肯定句） Are these nice pictures 改为单数句 what nice pictures they are.(同义句) Are these red tomatoes yours?《肯定句》 Are those teachers very busy now?怎么改成肯定句?顺便说一下中文. Those are beautiful pictures. Those are nice photos.改否定句 Whose are those nice trousers?同义句 Those are nice books. ( 同义句转换)