fight on to do sth.是不是“不断拼搏”的意思?

fight on to do sth.是不是“不断拼搏”的意思? work on doing sth还是work on to do sth? 坚持做某事,是hold on to do sth.还是 hold on to doing sth.有何区别? 有depend on sb.to do sth. 有depend on sb.to do sth. call on sb to do sth call on sb to do sth这里的to do 是做什么成分呢? begin to do sth.以及start to do sth.的现在完成时形式.begin to do sth.以及start to do sth.的现在完成时形式是have begun to do sth.和have started to do sth.还是用be on?注意,我说的是begin to do sth.这个词组,不是begin go on to do sth ,go on doing sth,go on with sth有什么区别 live on 后接doing sth 还是to do sth? 英语翻译2,be willing to do ,would like to do sth,愿意做某事可以是同义词组吗,3hold on to do sth,continute doing sth,go on doing sth,是同义词组吗,可以通用吗, got an invitation to do sth 还是 on doing sth/in doing sth/of doing sth 是want to do sth and do sth还是want to do sth and to do sth? must 后面是加to do sth.还是do sth. 是should to do sth 还是 should do sth? 是can to do sth.还是can do sth. it 后面动词是do sth.还是to do sth. 是take action do sth还是to do sth? going on doing sth go on to do