Subject + 说 + Clause
说 (shuō) means "to say" or "to speak" and is one of the most common verbs in Chinese. It is frequently used to introduce direct or indirect speech. When preceded by a verb like 警告, it forms a serial verb construction meaning "warned and said" or simply "warned that."
他说他明天不来了。
Tā shuō tā míngtiān bù lái le.
He said he won't come tomorrow.
老师说这次考试不太难。
Lǎoshī shuō zhè cì kǎoshì bù tài nán.
The teacher said this exam isn't too difficult.
她笑着说:"我们走吧。"
Tā xiào zhe shuō: "Wǒmen zǒu ba."
She said with a smile, "Let's go."