英语语法求详细解释高手请进6. ＿his attention on his novel, he didn’t notice the teacher coming.A. Fixed B. Fixing C. Fix D. To fix7. ＿ on his novel, he didn’t notice the teacher coming.A. Fixed B. Fixing C. Fix D. To f

英语语法求详细解释高手请进6. ＿his attention on his novel, he didn’t notice the teacher coming.A. Fixed B. Fixing C. Fix D. To fix7. ＿ on his novel, he didn’t notice the teacher coming.A. Fixed B. Fixing C. Fix D. To f
英语语法求详细解释高手请进
6. ＿his attention on his novel, he didn’t notice the teacher coming.
A. Fixed B. Fixing C. Fix D. To fix
7. ＿ on his novel, he didn’t notice the teacher coming.
A. Fixed B. Fixing C. Fix D. To fix
8.The old engineer talked of the difficulty they ＿ the tower.
A. built B. had building C. had built D. build
9. ＿such heavy pollution already, it may now be too late to clean up the river.
A. Having suffered B. Suffering C. To suffer D. Suffered
10. ＿ the past, our life is becoming much better.
A. Comparing with B. Be compared with C. To compare with D. Compared with
11. The boy was last seen ＿near the East Lake.
A. playing B. play C. played D. to play
12.Tom was very unhappy for ＿ to the party.
A. having not been invited B. not having invited
C. having not invited D. not having been invited
13.When I got back home I saw a message pinned to the door ＿ “Sorry to miss you; will call later.”
A. read B. reads C. reading D. to read
14. We went to see him yesterday evening, ＿ him away.
A. finding B. find C. only to find D. found
15. ＿ of plastics, the machines are easy to carry.
A. To make B. Having made C. Being made D. Made
求详细解释 谢谢
能详细分析解释下吗？

英语语法求详细解释高手请进6. ＿his attention on his novel, he didn’t notice the teacher coming.A. Fixed B. Fixing C. Fix D. To fix7. ＿ on his novel, he didn’t notice the teacher coming.A. Fixed B. Fixing C. Fix D. To f
【6】B.fixing
【fix one's attention on】是(某人)集中注意力于,没有什么特殊的,显然现在分词表示主动做伴随状语.以例句说明其主动用法：
I ed my mind on that fact.我全神贯注于那个事实
【7】A.FIxed.
如果两道题挨着,还仅仅一词之差,想来肯定是答案不同.事实上fixing也没什么不可原谅的错误.如果没和上一道题在一起,我或许会选B.
【fix on】这个短语意为确定、决定、固定、凝视等.在这个角度下,有这样的例句：
We fixed on the immediate goal.我们专心于眼前的目标.但是我觉得这里的专注并不是说注意力被吸引,而是说“把重点放在...”的意思.但是既然有这个用法的话,其实语法上来讲是不错误的.
达思想专注、注意力集中等,fix后面一般加宾语如attention\mind等.
【fix】还有这样的释义：吸引 The sight ed their attention.我想这里是否应该这样用?说he is fixed on his novel.他被小说吸引住,或者说无法自拔.这里fixed又倾向于状态性了,比第6题的语气强,说老师来的时候他“心思完全在小说上”.
【8】B
有迷惑性.给了一个空,缺的却是两个结构.
The old engineer talked of the difficulty[they had](1)[building the tower](2)
(1)定语从句修饰difficulty,“他们当时遇到的困难”.
(2)从句(1)的时间状语,省略结构(when they were) building the tower.
【9】A
主句说“此时恐怕已经太迟了”以及逗号前面的already,可见前面情况对现在有影响.用完成时来表达这一语气.the river has suffered such.already.不是被动,也不是将来.suffering表伴随状态,说的是“与此同时”,而不是造成的结果.have suffered完成时的分词形式为A.
【10】D
首先【compared with】已经被固定化,是一个常用的结构.
语法上：说到底是“别人”来用他们作比较：
As we compare our life with the past,it is becoming much better.
或：As it is compared with the past,our life is becoming much better.
有时也说as compared with
再来一个例句：Compared with my child,yours seems a veritable angel.
【11】A
被动句还原：someone saw the boy playing near the EL.
这是一个see sb do/doing sth的结构.do时为看其全过程,从头到尾观看.doing为看见的时候他在做什么.根据句意应为playing.
【12】D
还原：Tom was unhappy,for he hadn't been invited.
后半句的原因状语,换成动名词的形式做介词for的宾语.
注意,not的位置很有关系,因为这不是现在分词作状语,而是动名词.动名词说到底是一个名词,用名词来说事情的发生.
其中“having been invited”(也可以说his having been invited) 整个是一件事,就是invitation这件事情,只不过出于时态和语态的需要把它写成这样,所以是不能分拆的.unhappy的原因是这件事情的未发生,否定词加在外面.再次强调这是宾语哦,而不是状语.
而若是其他情况,用完成时的分词作状语,则A的形状是正确的.
【13】C
就是11题相同结构：see sb doing sth.
see a message reading "xxxx"
read：在以钟表、票据、标识、纸条、便签等等等等可以提供消息的物品为主语的时候,表示“写着”
【14】C
非谓语动词作伴随状语中的不定式.
现在分词特点为主动、同时性,过去分词为被动、状态性.
而不定式：首先最常见的是“目的性”；还有就是“结果性”.表示已经发生的结果的时候,通常表示与期望相反、让人失望的结果.其中only to是最常见的用法,表示“结果却……”此用法一般用于过去时.
昨天去看他,他却没在.
【15】D
be made of 的结构,(because it is) made of plastics,the machines are...
C进行时不靠谱,being made是正在被做,也就是工厂里发生的情形之类.B首先不是被动,其次就算是被动也没有必要,这不是说过去的行为make对现在的影响,而是作为一种原因状语来说明,主句的原因在于它的质地,plastics.而不是说当时的made是影响现在状况的原因.made不过是描述一种状态或者性质.

楼上11题答案错误。应选A。
6.B. Fixing 分词作原因状语，因为使用的句型为sb. fix one‘s attention on sth. 其中he与fix是主动关系，所以用Fixing。
7.A. Fixed 分词作原因状语，因为使用的句型为sb. be fixed on sth. 所以用Fixed。
8.B. had building had...

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楼上11题答案错误。应选A。
6.B. Fixing 分词作原因状语，因为使用的句型为sb. fix one‘s attention on sth. 其中he与fix是主动关系，所以用Fixing。
7.A. Fixed 分词作原因状语，因为使用的句型为sb. be fixed on sth. 所以用Fixed。
8.B. had building had与they构成一个以difficulty为先行词的定语从句，building the tower为伴随状语，因为The old engineer与build之间是主动关系，所以用 building。
9.A. Having suffered 从整个句子来看逻辑主语为the river，与suffer之间是主动关系，而“已经遭受到了污染”，所以用现在完成时的进行时，即Having suffered 。
10.D. Compared with 分词做方式状语，因为使用的句型为sth. be compared with sth. 所以用Compared with 。
11.A. playing 分词作宾语补足语，使用的句型为see sb. doing sth.表示看到时正在进行，所以用playing。
12.D. not having been invited 首先“邀请”发生在“不开心”之前，所以用完成时，主语与have之间是主动关系，所以用having，又因为是“被”邀请，所以用not having been invited 。
13.C. reading 分词做伴随状语，message与read是主动关系，所以用reading。
14.C. only to find 不定式做结果状语。表示意料之外的结果时用不定式，正常的意料之中的结果时用ing形式，这里是意料之外的结果，所以用only to find 。
15.D. Made 分词做原因状语，使用的句型为sth. be made of ,表示一种状态，用完成时，所以用Made。
这些题目考的都是动词的非谓语形式。
码了很长时间，希望对您有所帮助！

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6. B. Fixing
7.A. Fixed
8. B. had building
9.A. Having suffered
10.D. Compared with
11. D. to play
12.D. not having been invited
13.C. reading
14. C. only to find
15. D. Made
这是一组高中非谓语动词的专项练习题。