1.Is that her picture?(改为复数形式)2.He is in today.(同义句转换)英语`句型转换`

请告诉我这几句话用了什么语法知识!1.The man whom I saw told me that.2.That's the man whose son is my pupil.3.The room whose window faces south is her bedroom.4.The room of which the window faces south is her bedroom.5.I like the pictur That is her brother That is she 还是That is her That is her box.用her 提问 That is her coat.对her提问 that is her English d____ That is her pen.改为否定句That her pen. IS that her book. 改为否定句 Is that her English book?复数形式 That is her ruler改为同义句 That is her eraser.改为一般疑问句 that is her friend.改为一般疑问句 That is her eraser改为否定句 That is her backpack 改成否定句 Is that her bag 改成特殊疑问句 Is that her brother?（改为陈述句） That is (her) father划线提问 Is that her eraser?作肯定回答