he could also do sth ..这里的also为什么事放在could 后面,他该怎么用

he could also do sth ..这里的also为什么事放在could 后面,他该怎么用 He did whatever he could to do sth.frightened children这句话对吗.如何翻译 区分can do sth.和could do sth. I could please to do sth is he do/dong sth? He thought that sth was --------and sth could -------是不是病句 Could/Would you please do sth?could would 是什么词性? Could you please do sth.Could you please not do sth.快.快.急. hard to do sth.还是 hard doing sth.Could you please do sth. what could he do?中文 he does sth and does sth 还是 he does sth and do sth sb can not only do sth but also do sth这种结构是都正确? He has to do sth and do sth还是He has to do sth and does sth? he also ________ (do)more exercise. would you mind doing sth.could you please do sth.could you please do sth.would you please do sth.please do sth.will you please do sth.有什么分别啊? Would you please do sth?Could you please do sth?的区别 Could you piease do sth?Could you please not do?分别造句 I would appreciate it (if you do sth./ if you did sth./ if you could do sth.)都可以吗?I would appreciate it (if you do sth./if you did sth./ if you could do sth.)都可以吗?