changing
consider doing 考虑
consider to do 认为做某事
这里是考虑的意思
我的父亲正在考虑换工作I often see the boys _____(read) books in the moringreadsee sb do/doing这里有often,用doYour shoes needs _____(clean)cleaningneed doing =need to be done表被动My father is considering ____(change) his job.你的意思是添changing？是因为consider 有两种用法，意思不一样