Subject + 应该 + Verb
应该 means "should" or "ought to" and expresses a recommendation, expectation, or moral obligation. It is placed before the verb. For example, 你应该休息 means "You should rest" and 我们应该走了 means "We should get going."
你应该多喝水。
nǐ yīnggāi duō hē shuǐ.
You should drink more water.
天这么晚了,我们应该回家了。
tiān zhème wǎn le, wǒmen yīnggāi huíjiā le.
It's so late, we should head home.
学生应该认真听课。
xuéshēng yīnggāi rènzhēn tīngkè.
Students should listen carefully in class.