there are sb doing sth中doing sth作什么成分

there are sb doing sth中doing sth作什么成分 There are sb doing sth there be sb/sth doing 英语中 sb.sth doing i like doing sth.中doing做的什么成分? 英语中哪些词是加doing sth和sb doing sth 英语中关系There be sb do/doing sth 的 用there be sb doing sth 造句 关于There be sb/sth doing句型 There is sb. doing sth.是什么意思 there be sb.doing sth 怎么paraphrase? 用there is sb /sth doing sth,stop sb (from) doing sth造句