work +ing的含义?

work +ing的含义? run 和work的 -ing 形式怎么写? fell,work的过去式,第三人称单数和ing形式 Is it working这里的work 为什么加ing. at work为什么work不要加ing? to和ing的区别有 to有表示将来的含义,ing有表示正在进行的含义吗to和ing的基本区别 work buy visit stop shop get lie的ing形式它们的现在分词 please call me up when you being your work.这里的be为什么加ing Building oil rigs is a man's work开头的build为什么要用ing? to go to work 有为了工作的含义吗? like hard work.work为什么不加ing. 英语常用前缀后缀的含义备考四级ING有加分! It was hard work+open的什么形式+名词例：It was hard work+open的什么形式（ed,ing,……）+名词 谁能告诉我下面的单词-ing形式的单词exercise---- talk---- shout---- work---- color---- cut---- think---- jog---- practice---- 求下列动词的过去式和ing形式．wait.borrow.keep.work.die.wait.pick.try.return.take 写出下列动词的-ing形式：clean,work,watch,eat,read,wait,talk,go,play,study,take,have, dance,come 谁能告诉我下列单词的-ing形式exercise------talk------shout------work------color------cut------think------jog------pracice took two hundred people finishing the work.finish不是要用原型的吗?为什么这里是加ing