英语语法分析

Not only was he taking care of us, but also he has been treating patients with COVID-19 every day and serving the community selflessly.

他不仅照顾着我们，而且每天都在治疗新冠肺炎患者，无私地为社会服务。

Do you try to act selflessly on a regular basis?

你经常会尝试去做出一些无私的举动吗？

The primary purpose of the picture lies in eulogizing the practice among people of selflessly offering help.

毫无疑问，这幅画的目的在于赞扬人们之间无私地互相帮助的行为。