what sb to do sth中的sth.是该句子的什么成分?为什么?

what sb to do sth中的sth.是该句子的什么成分?为什么? take sb's place to do sth let's sb to do sth还是doing sth it's +adj+for sb+to do sth与 it's +adj+to do sth+for sb 是否意义一样?it's +adj+ for sb +to do sth中的 for sb,是否可以放在最后,it's +adj+to do sth+ for sb 在意义上,是否有区别?for sb放在最后，是否有歧义？for sb， do what sb.can to do sth.如何造句 英语翻译1.prove sb./sth.2.prove sth.to sb.3.prove that…4.agree with+ sb./one's idear/what sb.said5.agree to do sth.6.report sth.7.a report fo rsth.8.the result… It's+形容词最高级+for sb/sth to do 中的最高级要加the吗? let sb to do sth和let's sb do sth的复数形式 do sb.to do sth. 英语：help sb. do sth. 、help sb. to do sth. 、help s英语：help sb. do sth. 、help sb. to do sth. 、help sb. sth. 和help sb. with sth.四者有什么区别?（诚心提问,捣乱勿进） desire sb to do sth中的“to do sth”做什么成分desire sb to do sth中的“to do sth”做什么成分是不是宾补啊? it's up to sb.to do sth. 有没有What about sb.to do sth. 英语短语中人称变化Let sb do sthHelp sb to do sthIt's one's turn to do sthSb do one's homeworkIt's time for sb to do sth等这些短语中的动词随不随人称变化 encourage sb to do sth 中的to可以省略吗 翻译英语句子（固定用法）make sb. do sth. ask sb. to do sth. let sb.do sth. be going to do sth. help sb do sth. Ih's time to do sth. 造句：hard sb sth/sth to sb .sell sb sth/sth to sb lend sb sth/sth to sb serve sb sth/sth to sb s造句：show sb sth/sth to sb .offer sb sth/sth to sb .take sb sth/sth to sb .owe sb sth/sth to sb.teach sb sth/sth to sb.pass sb sth/sth to sb .tell 英语翻译It's hard for sb.to do sth.快