have done、 have been done的区别
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have done、 have been done的区别
1.been是代表被动语态么?
2.i have not seen him for a long time.he must have been very busy.
这里不能说他被很忙啊?那为什么会有been呢?
3.water说很少要用什么修饰?很多呢?不可数名词是都是这样的吗?water也不用加s吗?
1.been是代表被动语态么?
2.i have not seen him for a long time.he must have been very busy.
这里不能说他被很忙啊?那为什么会有been呢?
3.water说很少要用什么修饰?很多呢?不可数名词是都是这样的吗?water也不用加s吗?
1、是
2、这里你混淆了哦.被动语态的表达为 be+过去分词,这里的be可以理解为一个助动词.但并不是所有的be都只作为助动词出现,2句中的be是系动词,是系表结构,been是be本身的过去分词.这是两个不同的概念.翻译成“我很长时间没有见到他了,他一定很忙”(强调很忙的状态).
3、water是不可数名词,当然不能加-s或者-es.不可数名词很少用little修饰,很多则为much,不可数名词都是这样的.
2、这里你混淆了哦.被动语态的表达为 be+过去分词,这里的be可以理解为一个助动词.但并不是所有的be都只作为助动词出现,2句中的be是系动词,是系表结构,been是be本身的过去分词.这是两个不同的概念.翻译成“我很长时间没有见到他了,他一定很忙”(强调很忙的状态).
3、water是不可数名词,当然不能加-s或者-es.不可数名词很少用little修饰,很多则为much,不可数名词都是这样的.
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