I like doing some reading at home.这里为什么do+ing.而read也加ing

I like doing some reading at home.这里为什么do+ing.而read也加ing I like reading为什么read要加ing He likes reading.这里read为什么要加ing? 为什么do some reading用加ing的形式而do some sports不用 are doing some reading为什么doing和reading要同时加ing? i am doing my homework 为什么这里的do加ing? i like swimming为什么加ing而i can swim为什么不加ing some people like to _______(逗留)at home.like to 后面stay要不要加ing 为什么要make reading,为什么read要加ing? he thinks reading is interesting 为什么read要加ing? he likes reading .为什么read要加Ing? It is also important to do some reading and writing 为什么加ing