当主语是什么的或能被什么的词时,在谓语动词加s或es

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当主语是名词或代词的单数形式谓语动词用单数形式.Tom plays basketball every day.
2.当动名词、不定式或主语从句做主语时谓语动词也用单数.如Smoking does harm to our health.
To bee a reporter needs hard work .
What they want is time.
======以下答案可供参考======
供参考答案1:
主语为第三人称单数时，在谓语动词后面加s或es：
He works hard. He teaches maths. It moves fast.
The car needs repairing.