盛世七皇妃txt下载:谁能帮我讲讲use to do use to doing used to do 的用法?

来源：百度文库 编辑：高校问答 时间：2024/05/09 04:18:49
return 的用法?

used to do 过去常常做某事
be used to doing 习惯于做某事
be used to do被用来做某事

used to 过去常常(现在不做了)
be used to 加名词
加doing 习惯于某事（可用于各时态）
be used to do sth 被用来做某事

谁能帮我讲讲use to do use to doing used to do 的用法? what do you use to open DAT files? how to use 酷狗 how to use 金山词霸？ How to use mp3? how to use paltalk how to use been? Do you want to use DivX 4.0 decoder to play all DivX 3.x content Hou to use mp5 beter? put something to good use