It's useful_____English text every morning> A.for you to read B.for you readingIt ...to do和doing怎么区别?何时用to do/doing?

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It's useful_____English text every morning> A.for you to read B.for you readingIt ...to do和doing怎么区别?何时用to do/doing?
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It's useful_____English text every morning> A.for you to read B.for you readingIt ...to do和doing怎么区别?何时用to do/doing?
It's useful_____English text every morning> A.for you to read B.for you reading
It ...to do和doing怎么区别?何时用to do/doing?

It's useful_____English text every morning> A.for you to read B.for you readingIt ...to do和doing怎么区别?何时用to do/doing?
to do是不定式,doing为现在分词,不定式表将来,现在分词表现在和经常性的动作,该句里面的text every morning是一个经常性的时间,所以用doing,要是改为next morning的话呢就是将来的某个时间那么就得用to do

A
这是个: It's + 形容词 + for sb. + to do 的结构呀
有不明白的地方再问哟,祝你学习进步,更上一层楼! (*^__^*)

A.for you to read
it is useful to do sth.( it 是形式主语,真正主语是不定式to do sth.)
it is useful doing sth.(it 是形式主语,真正主语是动名词doing sth.)
当表示做……是有益的,有用的,一般情况下,这两个的意思都差不多的,就是运用到的知识点不一样,一个是不定式作主语,一个是动名词...

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A.for you to read
it is useful to do sth.( it 是形式主语,真正主语是不定式to do sth.)
it is useful doing sth.(it 是形式主语,真正主语是动名词doing sth.)
当表示做……是有益的,有用的,一般情况下,这两个的意思都差不多的,就是运用到的知识点不一样,一个是不定式作主语,一个是动名词作主语
而当表示某人做……是有益的,一般都只是表示成 it is useful for sb. to do sth.

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A.for you to read