1.Many children's life _________(change) because of the war.2.Great changes _________(take place) during the past ten years.是用主动还是被动啊?请说原因`~

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1.Many children's life _________(change) because of the war.2.Great changes _________(take place) during the past ten years.是用主动还是被动啊?请说原因`~

1.Many children's life _________(change) because of the war.2.Great changes _________(take place) during the past ten years.是用主动还是被动啊?请说原因`~
1.Many children's life _________(change) because of the war.
2.Great changes _________(take place) during the past ten years.
是用主动还是被动啊?
请说原因`~

1.Many children's life _________(change) because of the war.2.Great changes _________(take place) during the past ten years.是用主动还是被动啊?请说原因`~
1.has been changed
被动.句意:由于战争,许多孩子的生活被改变了.
之所以用主动,是根据句意来判断的.战争改变了孩子的生活,也就是孩子的生活被战争改变了,这里的孩子的生活应该是做change的宾语,因而是被动.此句可变为主动:The war has changed many children's life.“战争改变了许多孩子的生活.”
2.have taken place
主动.句意“在过去的十年中巨大的变化发生了.”
这里用主动,是因为“巨大的变化”是主语,发生变化而非变化被发生.

1. has been changed 被动
2. was taking place 主动

was changed
were taken place

1;were changed
2;have taken place
有during...用完成时。

was changed,许多孩子的生活因战争被改变了,楼主可揣摩一下意思。这里life是生活的意思,不是生命,不可数。
have taken place,take place这个词组不用被动语态,根据后面可以看出应该用完成时。

1、被动 has been changed
从字面意思来看就是:许多孩子的人生被战争改变了。
2、have taken place
这个地方在过去十年里发生了极大的改变
take place 一般都用主动,没有被动,这是固定搭配。

都是被动