问题 有present sth. to sth. 吗

Over the past seven years , CHP has presented over 100 educational seminars to various groups , such as schools, government offices, as well as the general public.这句中的present怎么理解？有present sth. to sth. 吗？

问题 to do不定式作补语吗？

If you then examined the European national youth teams, you would find this strange phenomenon to be even more pronounced.请问各位老师不定式作的是补语吗？the phenomenon is to be even more pronounced.

问题 这句话可以看成“说”是主要动词，“低下头”是表示方式吗

这句话可以译成... and said, with his head lower... 吗？

问题 sorry to leave you so long 有问题吗

Sorry to leave you so long.请问这个句子有问题吗？

话题 it 作形式主语时是代词吗

话题 that's why...是表示原因吗

话题 This is why...是表示原因吗

问题 locked in your room 句式分析

...d I locked in your room "是句子主语：过去分词短语作后置定语，如果进一步改写，是who are locked in...还是who have been locked in...呢？

问题 until前面与3种不同时态连用之区别

...cgh007等专家对until与<一般过去>/<现在完成>连用的剖析，很有帮助。对于until<与一般现在>的连用未见比较，我试做了一下，不知是否正确？请专家予以指正。句式：She V.（= worked/ has worked / works）as a nurse until past her 6...

问题 这个benefits for是否应该改为benefits from

...该是对sth有利。而benefit from sth 是从sth中获利，这个句子的意思应该是从冥思中获利，应该用from呀!

问题 find himself taking on the role of...分析

After declining the post of Secretary of State he nevertheless found himself taking on the role of unofficial adviser to the President.请分析这里的taking on the role of...语法现象，这里为什么用现在分词作himself的宾补呢？谢谢老师！

问题 survive complete 系表结构吗

The book survives complete only in the second edition of 1533. 这本书只有1533年的第二版完整地保留了下来。 请问句中的 survive complete 是系表结构吗？谢谢！

问题 past是限定词吗

...形容词past怎么放在了few前面呢？难道past也可以是限定词吗？2.假设这个few也是形容词，那么当few表示“几个”时，这明明是数量含义，此时怎么区分few是限定词还是形容词呢？

问题 She is of medium height(of 可以省略吗)

She is of medium height.这句话中，of 可以省略吗？

问题 名词所有格和of 表所属可以互换吗

比如she proved strong enough to do the work of a man.这句话中the work of a man可以等价于a man's work 吗？