sports如何加ing?

sports如何加ing? 介词如何加ing practice如何加ing l like playing sports .为什么play后面加ing? Lucy like playing sports 为什么play后加ing 动词后如何加ing 动词后如何加ing 动词如何加ING形式? we are gttting reday for the coming sports meeting.coming加为什么加ing, 如何判断单词加ing时双写? 为什么do some reading用加ing的形式而do some sports不用 I favorite sports is that play basketball 这个有错吗play还需要加ing吗 Favourite sports 后面要不要加ing如 My favourite sports is playing basketball.playing是正确还是不正确?要不要ing?My favourite sports is running还是run? 英文中,为什么 like后的动词要加ing?如：I like playing sports I like talking to people 我喜欢运动的英语.sports我不知道怎么办,怎样加ing?为什么不是Playing呢？ This morning,I see fourty horse running in the sports field为什么是过去式,run还要加ing 英语现在进行时语法变化规则如何加ing 用字加拼音如何分别 ing和in