E. Verbs taking an indirect quotation do not take verb-suffix le 了.
Note: (x) means that -le 了 may not be used there.
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Tā shuō (x) tā yǐjīng bìyè sān nián le.
他说他已经毕业三年了。
He said that it had been three years since he graduated.
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Tā wèn (x) wǒ chī fàn le méi yǒu.
他问我吃饭了没有。
He asked me if I had eaten.