he never do something ,he always see the worker work.

不对，第三人称如果是一般时动词应该用单数形式。
never 表否定含义，应接anything
应为：He never does anything; he always sees the worker work.

不知道什么意思，不过如果是一般现在时，应该用does，sees，works ，但后一句，sees works一句话就有两个动词，肯定不对，你要表达什么意思呢

不对
He never does anything, he just watches the worker doing his job all the time.
do 是及物动词，后面得加所涉及的物
ever 是否定词，something 应该换成anything
he 是单数，谓语动词应该用单三does
see常表示看到..., 换成watch比较好

不对。他是单数第三人称。
he never does something ，and he always sees the worker work

很明显不对哈.1.否定词（这里的never）后面接anything2.两个句子不能直接用逗号连接.3.see sb doing 而不是see sb do.4.加上just 使意思表达的更清楚.5.第三人称单数. 正确的可以是：he never does anything. He jus...