get sth.to do 与 get sth.doing 有何差别

get sth。to do =have/ find sth to do ///不定式to do作定语,修饰sth。有一些、找一些事干。get / have sth。doing 使某事一直发生///doing 作宾补如Please get some newspapers to read by yourself请你自己找些报纸读吧。Pleade don't get the light burning all night。请不要让灯整夜亮着