see sb doing 和 see sb is doing 的区别是不是一样呢?比如说 I see him is doing homework 和I see him doinghomework 那么比如说--昨天，我看到小明正在打篮球，小红在踢足球 怎么表达···· I saw bob is playing bask

see sb doing 和see sb do区别用法 see sb to do和see sb doing的区别? see sb.do和see sb.doing 怎样区分? 关于see sb do和see sb doing的例句 see sb doing和see sb do有什么区别 see sb doing和see sb do 和see sb done区别 see+句子 可以和see sb do/doing 互换吗 watch/see/hear+sb+do sth 和watch/see/hear+sb+doing sth see sb.do sth和see sb.doing sth有什么区别具体有什么区别 see sb.do sth.和see sb.doing sth.有什么区别? 用I see sb do sth 和I see sb doing sth造句.各两个 see sb.do sth.和see sb.doing sth.的区别,附例句 像see sb.do和see sb.doing类似的词还有什么 像see sb. do和see sb. doing类似的词还有什么 用feel frustrate和see sb doing Sth造句 see sb do与see sb doing区别 see sb doing sth和ask sb for sth ask sb about sth造句 关于英语短语问题（see sb do sth）see sb do 和see sb doing 有什么区别see sb do 不是see sb to do，只是省略了to是吧？