relax前面加to是为什么

to表示目的，例如：

1、When I get home from work I like to relax with the newspaper.我下班回到家里，喜欢看看报纸，放松一下。

2、A gentle form of exercise will increase your ability to relax.和缓的运动锻炼会提高自我放松的能力。

3、Take time out to relax by the pool.去游泳池边歇一歇吧。