两道英文题:一I have been to Mount huang three times, 为什么three times 前不加for? 二The life were used to has changed greatly since 2012. 为什么has不加ing, great要加ly?

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两道英文题:一IhavebeentoMounthuangthreetimes,为什么threetimes前不加for?二Thelifewereusedtohaschangedgreatlysince2

两道英文题:一I have been to Mount huang three times, 为什么three times 前不加for? 二The life were used to has changed greatly since 2012. 为什么has不加ing, great要加ly?
两道英文题:一I have been to Mount huang three times, 为什么three times 前不加for?
二The life were used to has changed greatly since 2012. 为什么has不加ing, great要加ly?

两道英文题:一I have been to Mount huang three times, 为什么three times 前不加for? 二The life were used to has changed greatly since 2012. 为什么has不加ing, great要加ly?
1.for后面加的是时间段 不是次数 2.were错了 然后解释你问的问题 主语是li fe 真正的谓语动词是have 因为主语是第 三人称单数 所以变成has

第一题不会,但是第二题会,一般用has后面都是用过去分词,还有前面已经有used就说明要用过去式,changed是动词,动词后面的形容词都要加ly。

1,for加一段时间,不加次数,句子指去过三次,
另i have been staying at home for a weekused tu doing表示习惯做某事
great加ly为副词,副词修饰动词表示程度tu改成tohe changed。
he changed greatly。
greatly也可以看成补语use to do过去做过
use to ...

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1,for加一段时间,不加次数,句子指去过三次,
另i have been staying at home for a week

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1.for后面加的是时间段 不是次数
2.were错了 然后解释你问的问题 主语是life 真正的谓语动词是have 因为主语是第三人称单数 所以变成has
great是修饰动词change的 所以要变成副词

回答1:for的意思是持续了多久,题中的three times是一个时间频率,不加介词。回答2题:has前面是to,to后面加动词原形,这是动词不定式,greatly是副词 形容used to do

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