Is Jim's ball under the chair? “吉姆的球在椅子下面吗?”解析:因为是疑问句所以应该把is提前,ball 是名词,所以要和所有格Jim's 连用,under the chair在椅子下面。
Is Jim's ball under the chair? 吉姆的球在床底下吗?
Jim's ball is under the chair.人名应该大写吧
jim's ball is under the chair.