for和with的用法区别

with用法with+宾语+现在分词或短语，with+宾语+过去分词或短语，with是副词词性。

for用法对…来说，由于理由，原因，向，往方向，目的地。

For years we had little knowledge of what life was like inside China.

以往很多年我们对于中国国内的生活情况所知甚少。

He had to go to the hospital for treatment.

他不得不去医院接受治疗。

She moves with the natural grace of a ballerina.

她的动作具有芭蕾舞演员自然优雅的丰姿。

With the coming of modern technology, many jobs were lost.

随着现代技术的到来，许多工作岗位不复存在。