http://www.yygrammar.com/Article/201205/2944.html这里说到as引导让步状从可以用虚拟语气也可以用陈述语气，请问这两种有什么区别吗，还是说两种只是语体不同，虚拟语气更正式？clever as you may be，you can't do that. 那clever是事实呢还是未必...
...主语3、He came home, his face pale.问题3：这是独立主格做伴随状语省略了being吗？4、You can leave three hours after you take the medicine.问题4：three hours该如何分析呢？是修饰谓语动词leave的吗？
介词可以放在特殊疑问句的句首吗？比如：Who did you speak
with? Where did this
wine come from?What are you
complaining about?以上句子可以写成下面这样的吗？With whom did you
speak? From where did
this wine come?Aabout what are
you complaining?
She gave up the only form of soft power at her disposal, given her inability to make people feel at ease, which was trust that she would do the right thing.老师好，定语从句里which先行词是谁？后面的that引导的是什么句子？
如何正确分析下列两句中的such…as?可以按照定语从句或比较分句分析吗？（二句选自张满胜语法书）1.Until such time as mankind has the sense to lower its population to
the point where the planet can provide a comfortable support for all, people
will have to accept ...
...king again.'书上说looking
at his watch 是现在分词短语，作时间状语；armed with torch 是过去分词短语，作方式状语。但是我可以认为looking
at...是伴随状语吗？armed
with torch 应该是形容词作伴随状语吧？问题是这里的armed with
究竟是过去...
The boy wants to go to the park.如果对上句中to the park提问，是否可以用下面第二句方式？特殊疑问词在什么情况下放在句首，什么情况下可以放在非谓语动词短语里？1. Where does the boy want to go?2. The boy wants where to go?
...词（如grown）只能作前置定语，不能作后置定语，不能作状语错误句子：The Chinese children grown in the US can speak fluent English. 这个句子可以改写成定语从句作后置定语的句子，如The Chinese children who have grown in the US can speak fluent English. ...
Trump’s declaration that ISIS has been defeated is the second time the group has been described this way.
这里的that ISIS…deafeated是declaration的同位语从句，the second time后面省略了关系副词that吗？this way是状语？
The word bai means white，and
while Chinese is pronunced “Bai”，so
maybe this is ___their name derives from.这是一道高二填词题，在空白处填写合适的单词。这道题答案是where，我填的what，因为我觉得derive
from后缺成分。请问老师为什么填where呢？