This factory opened twent years ago同义句问题has been open 一直没搞懂这个open 是什么词性.如果是被动语态 不应该是 has been doen

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This factory opened twent years ago同义句问题has been open 一直没搞懂这个open 是什么词性.如果是被动语态 不应该是 has been doen
This factory opened twent years ago同义句问题
has been open 一直没搞懂这个open 是什么词性.如果是被动语态 不应该是 has been doen

This factory opened twent years ago同义句问题has been open 一直没搞懂这个open 是什么词性.如果是被动语态 不应该是 has been doen
This factory opened twenty years ago.这里,open 是动词
This factory has been open for twenty years.这里 open 是形容词,“开着的”
因为open作动词时,是瞬间动词,后面不能接表示一段时间的词组.所以,open 改为 be open (形容词),表示一个状态,后面就可以接for twenty years 这样一个表示时间延续的词组了.

has been open这里的open是形容词，并不是被动语态。
同义句应该改为This factory has been open for twenty years.
或This factory has been open since twenty years ago.
后面无论是for twenty years还是since twenty years ago都是表示一...

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has been open这里的open是形容词，并不是被动语态。
同义句应该改为This factory has been open for twenty years.
或This factory has been open since twenty years ago.
后面无论是for twenty years还是since twenty years ago都是表示一个时间段，所以前面构成完成时态需要一个延续性动词。所以不能用has been opened

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open在答案当中是形容词，be open是开着的状态。has been open 是现在完成时，强调从20年前就开一直开到现在。而不是你想的被动语态

this factory opened ten years ago(同一句) this factory opened ten years ago(同义句)10 years this factory open This factory opened twent years ago同意句 This factory _______ ________ ______for twenty years This factory opened twenty years ago.同义句转换This factory opened twenty years ago.This factory _______ __________ for twenty years. This factory opened twenty years ago (同义句转换）This factory ___ ____ ____for twenty ago this factory has been open for twenty years.为什么是open 而不是opened This factory opened twenty years ago.(同义句转化）.该怎么转? This factory opened twenty years ago.(同义句转换）This factory___ ___ ___ for rwenty years. 要详解This factory ( )for twenty years.A.has opened B.has openC.has been poen D.has been popened The factory ___since 1985.a.opened b.has opened c.was opened d.has been open This factory opened twenty years ago( 改为同义句） This factory(has been open)for twemty years(open) 是不是错了请解释我的练习册是新二第52课练习请回复 This factory opened twent years ago同义句问题has been open 一直没搞懂这个open 是什么词性.如果是被动语态 不应该是 has been doen The factory opened ten years ago 改同义句 The factory opened ten years ago它的被动语态 同义词转换The factory opened twenty years ago.The factory ( ) ( ) ( ) for 20 years. The factory opened ten years ago.同义句The factory ___ ____ ____for ten years The factory opened ten years ago.同义句是：The factory ---- ----- ----- for ten years. The factory opened twenty years ago.（同义句） TThe factory opened twenty years ago.（同义句） The factory（ ） for twenty years ago.