imagine sb doing imagine sb's doing有什么区别

imagine sb doing imagine sb's doing有什么区别
imagine sb doing imagine sb's doing有什么区别

imagine sb doing imagine sb's doing有什么区别
第一个imagine是动词,意思是想象某人做某事
第二个后面的doing相当于一个名词,可以翻译为,某人的什么,想象某人的什么