雷蛇键盘安装驱动:help sb to do sth和help sb do sth请问什么意思

help sb. do sth还是help sb to do sth? help sb. do sth还是help sb to do sth? help sb to do sth和help sb do sth请问什么意思 help sb. to sth.和help sb. sth.一样吗？ help sb. do sth.和 help sb.doing sth.的区别是什么 get sb do sth还是get sb to do sth let sb. do sth.or let sb.to do sth want sb. to do sth.和want sb. doing sth.有什么区别 take sb doing sth 和 take sb to do sth怎么区别的？ 是offer sb sth还是 offer sb to do sth?