she says that she never works on Sundays...she says that she never works on Sundays.我想问下为什么这个says不是said?还有为什么要加s和works为什么也加s?

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she says that she never works on Sundays...she says that she never works on Sundays.我想问下为什么这个says不是said?还有为什么要加s和works为什么也加s?
she says that she never works on Sundays...
she says that she never works on Sundays.我想问下为什么这个says不是said?还有为什么要加s和works为什么也加s?

she says that she never works on Sundays...she says that she never works on Sundays.我想问下为什么这个says不是said?还有为什么要加s和works为什么也加s?
这是表示主句是一般现在时,主语是第三人称单数,所以在say后面加上s,因为主句是一般现在时,所以宾语从句也用一般现在时,而又因为在从句中,主语是单三形式,于是又在work后加上s.

这里没有明确的过去时间,用一般现在时也行,而且这里讲述的是一个事实,应用一般现在时,所以后面直接用了works。work在这作动词,主语又是she,所以加了s.

表示一直是的某个状态,而不只是过去才是这样;

她(经常)说她从不在周末上班。
“说”和“工作”都是平常的状态,尤其是“说”,不是过去的具体的说过一次,而是她平常就这么说。