英语语法 (形式主语) swear用法He swore to having been there then.他发誓说他当时不在那儿.Q:这里为什么要用have been?_____ is known to us all is that the 2008 Olmpic Games took place in Beijing.A.It B.What C.As D.WhichKE

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英语语法 (形式主语) swear用法He swore to having been there then.他发誓说他当时不在那儿.Q:这里为什么要用have been?_____ is known to us all is that the 2008 Olmpic Games took place in Beijing.A.It B.What C.As D.WhichKE
英语语法 (形式主语) swear用法
He swore to having been there then.
他发誓说他当时不在那儿.
Q:这里为什么要用have been?
_____ is known to us all is that the 2008 Olmpic Games took place in Beijing.
A.It B.What C.As D.Which
KEY:B
Q:一直搞不懂什么时候用WHAT什么时候用It
关于swear的用法我在多功能词典上查到的是swear to doing[that+从句]
我想问的是用have been(完成时) 是为什么?

英语语法 (形式主语) swear用法He swore to having been there then.他发誓说他当时不在那儿.Q:这里为什么要用have been?_____ is known to us all is that the 2008 Olmpic Games took place in Beijing.A.It B.What C.As D.WhichKE
我在空间看见你的问题,我想踹你
你都高一了!
我先说第二个,一个句子里不可以同时出现谓语而what is known是宾语,所以不是一句话而是一个词所有只有is that the 2008 的is是谓语
而It is konwn 是个句子和后面的is都是有谓语的所以不行
我再回答第一个
havebeen有时候更多的是语境问题,比较强调已经做过的,你要看这个语境

第一个我也不会。
第二个,这么说吧,你记住两个句型What is known to us all is that……
It is known to us all that……
看出区别来了吗?有没有第二个is的问题。记住就好了

1.因为being there的时间发生在swear之前
2.it is ...that
what ... is that

1.不太懂为什么swear后加的是ing形式,swear当及物动词时.译为
发誓要;起誓保证[+to-v][+(that)]
eg:The witness swore to tell the truth.
证人起誓保证讲真话。
(楼主可以去百度词典查:
http://dict.baidu.com/s?wd=swear
你再查查看好吗?
2....

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1.不太懂为什么swear后加的是ing形式,swear当及物动词时.译为
发誓要;起誓保证[+to-v][+(that)]
eg:The witness swore to tell the truth.
证人起誓保证讲真话。
(楼主可以去百度词典查:
http://dict.baidu.com/s?wd=swear
你再查查看好吗?
2.此句为主语从句.看到后面有个is了么?也就是说what is known to us all 作主语.如果用it,则为:It is known to all that.......不懂还可以问我...

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英语语法 (形式主语) swear用法He swore to having been there then.他发誓说他当时不在那儿.Q:这里为什么要用have been?_____ is known to us all is that the 2008 Olmpic Games took place in Beijing.A.It B.What C.As D.WhichKE 形式主语的用法 谁能告诉我初中英语语法中,各种(宾语,主语,定语)从句的用法? 英语语法中的形式主语是什么概念,请举例说明 英语语法中不定代词作主语时谓语用第三人称单数还是复数形式(不考虑时态)? 英语语法 分词作状语的用法逻辑主语与主句主语一致的时候,用动词ing形式还是ed形式?逻辑主语与主句主语不一致的时候呢?请简要回答 不要说些很难的名词.这里还有个句子请回答一下:( find的用法*(以?+?+?+?)如:主语+动词+宾语的形式 德语中es做形式主语时的用法 v.-ing形式作主语和宾语时的用法 swear与promise的区别与用法 英语语法形式 英语语法有关It的用法此句 It 做形式主语: It is no good sitting up too late 熬夜没有好处那里的no 是不是有点问题 我觉得应该用 not 请详细解答 英语语法主语什么意思 The witness (swear)that what she said was true.(用适当形式) it在名词性从句中作形式主语或形式宾语的用法,xx l 求it做形式宾语与形式主语加形容词的用法 it的用法 和that的区别什么是形式主语 什么是形式宾语 一道英语语法题,___或___做主语的时候,谓语动词用单数形式;或________作主语时,谓语动词用复数形式.