我已经吃过饭了。

Wǒ yǐjīng chīguo fàn le.

I have already eaten.

他们已经到家了，不用担心。

Tāmen yǐjīng dàojiā le, búyòng dānxīn.

They have already arrived home, don’t worry.

电影已经开始了，我们快进去吧。

Diànyǐng yǐjīng kāishǐ le, wǒmen kuài jìnqù ba.

The movie has already started, let’s go in quickly.