是there be sth to be done还是there be sth being done?there be sth in doing和there be sth being done有什么区别?谢there are many advantages to purchasing things online.怎么成了to doing了？

There will be sb to do sth 是there be sth to be done还是there be sth being done?there be sth in doing和there be sth being done有什么区别?谢there are many advantages to purchasing things online.怎么成了to doing了？ there's sth.to do; there's sth to be done和there's sth.done的区别 be sth to sb to be based sth sth.be lent to there be sb/sth doing 什么是动词结构?what about doing sth.talk to sb.about sth.be doing sth.there be结构? 【英语、语法问题】there be sth 后是doing 还是to do?、、、 那如果是there be sb后是doing 还是to do?那为什么 there be nothing left 是正确的? be suited to 详细用法是什么 比如 是sth be suited to sb 还是sb be suited to sth. 求解there be sth/sb to be/being done+介 句型用法 attempt to be sth 还是 attempt sth have sth.to do和have sth.to be down和have sth.down是have sth.to do和have sth.to be down意思相同,还是have sth.to be down和have sth.down相同? 是be busy doing sth还是be busy to do sth? 请问是be pleased to do sth还是be pleased with sth be adj to do sth是不是和be adj in doing sth是一样的? 被使做某事 是 be made to do sth?还是be made doing sth? be busy加什么?be busy是接doing sth还是to do sth?