英语语法问题 All the tasks______ahead of time,they decided to go on holiday for a week.A.having been fulfilled B.had been fulfilled 这个题选A,原因是A不是一个句子,我的疑问是：fulfilled不是动词吗?为什么All the tasks ha

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英语语法问题 All the tasks______ahead of time,they decided to go on holiday for a week.A.having been fulfilled B.had been fulfilled 这个题选A,原因是A不是一个句子,我的疑问是：fulfilled不是动词吗?为什么All the tasks ha
英语语法问题 All the tasks______ahead of time,they decided to go on holiday for a week.
A.having been fulfilled B.had been fulfilled 这个题选A,原因是A不是一个句子,我的疑问是：fulfilled不是动词吗?为什么All the tasks having been fulfilled ahead of time不是一个句子而All the tasks had been fulfilled ahead of time 是一个句子?

fulfill是一个动词，fulfilled是它的被动语态，All the tasks having been fulfilled ahead of time此句中因为没有谓语动词，所有不是一个句子，All the tasks had been fulfilled ahead of time 此句中的had（have的过去式）是动词，所以是一个句子

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选A是因为他是独立主格结构
句子是要有谓语动词的，A选项中的fulfilled是过去分词，having been fulfilled是动词fulfill的现在分词的完成式的被动语态，表示task和fulfill是被动关系，并且动作已经完成。就相当于after they fulfilled all the tasks ahead of time, ... 或 after all the tasks were fulfilled,...
如果选b,那就是一个句子，两个简单句不能用逗号连接，要加上相应的并列连词，可以表达为
All the tasks had been fulfilled
ahead of time, so they decided to go on holiday for a week.
If the weather permits, we will go to the park tomorrow. 这是状语从句
Weather permitting, we will go to the park tomorrow. 这是独立主格结构，天气和允许是主动关系，用现在分词。
The homework finished, they went home. 独立主格结构，作业被完成，是被动关系，用过去分词。

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因为整个逗号之前做状语从句
having been done 是状语从句的一种简化表达
对状语从句不懂看这个网站
http://tech.casd.cn/wzym/0177/g10177/g1yya951.htm

这里使用了having就成了独立主格结构，就不算是一个句子了。

非谓语动词作状语，其逻辑主语须与主句主语保持一致。若不一致，非谓语动词形式须另带主语，从而构成复合结构的形式作状语。这种结构称为“独立结构”。其中，非谓语动词主动用现在分词，被动用过去分词

独立主格结构主要用于描绘性文字中，其作用相当于一个状语从句，常用来表示时间、原因、条件、行为方式或伴随情况...

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这里用having been 是分词做时间状语后置定语啊恢复成正常形态是After having fulfilled all the tasks 分词当然不算一个句子啦

这里fulfilled是与前面的been组成一个被动语态，所以不能算是一个谓语；
having因为是ing形式是不定式，所以也不是谓语。
句子：主语+谓语
没有谓语的话逗号之前的那个就不能算是句子。
因为逗号前后的主语不一致
所以是独立主格结构
所以选A...

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这里fulfilled是与前面的been组成一个被动语态，所以不能算是一个谓语；
having因为是ing形式是不定式，所以也不是谓语。
句子：主语+谓语
没有谓语的话逗号之前的那个就不能算是句子。
因为逗号前后的主语不一致
所以是独立主格结构
所以选A

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简单的说就是前面的表示一种伴随状语

1动词原形，及各种时态、语态变化后还是动词
2动词+ing(前面没有be动词)是现在分词或动名词
3动词+ed(前面没有be动词)是过去分词
4to+动词原形是不定式
一个句子只有有谓语才算一个句子
1在句中一定作谓语，有可能是从句或主句的谓语
2、3、4不作谓语（这种语法规则，就只能死记硬背了），叫非谓语（不作谓语的动词）
上句是独立主格，...

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having been done 是现在分词短语作定语，不是句子

英语语法问题 All the tasks______ahead of time,they decided to go on holiday for a week.A.having been fulfilled B.had been fulfilled 这个题选A,原因是A不是一个句子,我的疑问是：fulfilled不是动词吗?为什么All the tasks ha Mary had a hard time finishing all the reading tasks 四级英语语法问题（二）1.Eating too much fat can ( )heart disease and cause high blood preasure.A.contribute to B.attribute to C.attend to D.devote to2.All the tasks ( ) ahead of time,they decided to go on holiday for a week.A.had been foif 英语语法独立结构All the tasks —— ahead of time ,they decided to go on holiday for a week .A been fulfilled B were fulfilled C having been fulfilled D had been fulfilled 为什么 all tasks have been completed Mary had a hard time finishing all the reading tasks 翻译英语语法 buinding (lie) all over the place 英语语法问题The world is all that is the case.请问这是个什么从句?能具体分析一下句法吗? the teacher ______ the tasks among all the children in her classA.separatedB.divided C.sharedD.gave All the tasks _______ahead of time ,they decided to go on holiday for a week.英语语法题A had been filled B having been filled为什么不选A?后半句是decided（过去时）,那这个任务提前完成,应该是过去完成时了,所以个人 don't show the dialog next time的中文是什么那all tasks have been completed 又是什么呢 All the tasks having been fulfilled ahead of time,they decided to go on holiday for a week. All tasks have been competed汉语All tasks have been competed 英语语法问题 the ,i think he is the best.A.of all ,player B.of all ,playersC.in all,players D.all of ,players 选哪个?请说明理由独立主格结构问题独立主格结构的这句话：All the work done,you can have a rest.他说表原因,那为什么这道题：And fortunately,all the tasks ______ahead of time ,they decided go on holiday for a work.要选having been fulfille 英语语法的问题,这句话有错误吗?In the first picture, all trees are felled and therefore the desert was fierce and the youth have to retreated. All the tasks _______ahead of time ,they decided to go on holiday for a week.ll the tasks _______ahead of time ,they decided to go on holiday for a week.A had been filled B having been filledC were filled D been filledAll the tasks _______ahead of ti you_____finish all the tasks in the liimited time A don‘t haveB dont' have to C haven’t toD doesn't have to