神马作文网英语习题（被动语态,不定式,定语从句）
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英语习题（被动语态,不定式,定语从句）
Did they build the Great Wall at the same time as the Great Canal?
为什么变成被动语态是：
Was the Great Wall built at the same time as the Great Canal?
Europeans didn't invent fireworks.
变成被动语态是：
Fireworks were not invented by Europeans.
为什么这两个句子中都有did,而变成被动语句时,did没了,变为了was和were?
改错题：
1,When the hurricane reached the south coast,it already killed a hundred people.
2.The Chinese used silk hundreds of years before other countries started using it.
3.By the time the hurricane ended,hundreds of trees were blown down.
4.She didn't want to go down the river when she heard that it was badly polluted.
5.When the volcano erupted,he was terrified.He never saw anything like it in his life.
6.There was a terrible earthquake a month before we arrived.
怎么改,为什么?
动词二选一
1.During the sandstorm,we couldn't___
a.breathe B,to breathe
2.The wind during the night was strong enough___trees.
A.knock down B,to knock down
3.I found it intereting____to work in the rain.
a.to be cycling B,to cycle
4.After the flood,there were hundreds of homeless people that needed____
A.to rescue B,to be rescued
5.Mr sun is the only teacher at the school___the United States.
a,visit B,to have visited
选什么,为什么?
变定语从句
They visited an area of the desert.It only rains there once a year.
请详解,灌水,说风凉话的请绕行.
Did they build the Great Wall at the same time as the Great Canal?
为什么变成被动语态是：
Was the Great Wall built at the same time as the Great Canal?
Europeans didn't invent fireworks.
变成被动语态是：
Fireworks were not invented by Europeans.
为什么这两个句子中都有did,而变成被动语句时,did没了,变为了was和were?
改错题：
1,When the hurricane reached the south coast,it already killed a hundred people.
2.The Chinese used silk hundreds of years before other countries started using it.
3.By the time the hurricane ended,hundreds of trees were blown down.
4.She didn't want to go down the river when she heard that it was badly polluted.
5.When the volcano erupted,he was terrified.He never saw anything like it in his life.
6.There was a terrible earthquake a month before we arrived.
怎么改,为什么?
动词二选一
1.During the sandstorm,we couldn't___
a.breathe B,to breathe
2.The wind during the night was strong enough___trees.
A.knock down B,to knock down
3.I found it intereting____to work in the rain.
a.to be cycling B,to cycle
4.After the flood,there were hundreds of homeless people that needed____
A.to rescue B,to be rescued
5.Mr sun is the only teacher at the school___the United States.
a,visit B,to have visited
选什么,为什么?
变定语从句
They visited an area of the desert.It only rains there once a year.
请详解,灌水,说风凉话的请绕行.
1、因为被动语态的结构为be+过去分词,原句为did,即过去式,所以改被动时,be要变成was/were
2、（1）it already killed a hundred people中,去掉already或改为it has already killed a hundred people.因为already只出现在“现在完成时”中
（2）The Chinese used silk中,改为The Chinese used to silk.因为有个词组为used to do意思为过去常常做某事
（3）trees were blown down中,改为trees had been blown down.因为句子开头的by the way适用于过去完成时
（4）she heard that it was badly polluted改为she heard that it had badly been polluted因为她听说是过去时,后面河被污染应该比听说要早,所以要用过去完成时
（5） He never saw anything like it in his life.改为 He had never seen anything like it in his life.
因为他害怕用的是过去时,他没见过应该是害怕前,所以要用过去完成时.
（6）There was a terrible earthquake a month before we arrived改为There had been a terrible earthquake a month before we arrived.
因为我们到用的是过去时,所以主句要用过去完成时.
动词二选一
1.a 因为breathe是动词,这里缺动词
2.b 因为enough后面要用不定式
3.b 因为这是不定式作宾语,这个句型是:find + it+形容词+不定式
4.b 这里表示被动意思,人需要被救
5,b 因为这里表示已经去过了
变定语从句
They visited an area of the desert that only rains there once a year.
2、（1）it already killed a hundred people中,去掉already或改为it has already killed a hundred people.因为already只出现在“现在完成时”中
（2）The Chinese used silk中,改为The Chinese used to silk.因为有个词组为used to do意思为过去常常做某事
（3）trees were blown down中,改为trees had been blown down.因为句子开头的by the way适用于过去完成时
（4）she heard that it was badly polluted改为she heard that it had badly been polluted因为她听说是过去时,后面河被污染应该比听说要早,所以要用过去完成时
（5） He never saw anything like it in his life.改为 He had never seen anything like it in his life.
因为他害怕用的是过去时,他没见过应该是害怕前,所以要用过去完成时.
（6）There was a terrible earthquake a month before we arrived改为There had been a terrible earthquake a month before we arrived.
因为我们到用的是过去时,所以主句要用过去完成时.
动词二选一
1.a 因为breathe是动词,这里缺动词
2.b 因为enough后面要用不定式
3.b 因为这是不定式作宾语,这个句型是:find + it+形容词+不定式
4.b 这里表示被动意思,人需要被救
5,b 因为这里表示已经去过了
变定语从句
They visited an area of the desert that only rains there once a year.