问题 must be与must have been的区别是什么

比如下面两句： He must be angry. He must have been angry. 它们在意思上的区别是什么？它们是must的现在式和过去式吗？谢谢！

问题 并列句中后面一个动词be的省略问题（前后性质不一样）

并列句中前半句用了系动词，后半句被动句中be动词可以省吗？Today, of course, he is the world's top diplomat and his formative years shaped by conflict, hunger, and lack of opportunities—together with a meeting with President John F.来自今天的手机版CCTV NEWS.

问题 be badly short of的用法疑问

...时老师说，badly 表示“非常”时，只用于修饰 want, need, (be) in need of, miss 等少数几个词，不可修饰其他词语。求专家老师解答，谢谢您！

问题 be like too much of any good thing 是什么意思

Though it is overused by some writers, it is like too much of any good thing.请问这个句子是什么意思？尤其是 be like too much of any good thing 是什么意思？谢谢专家指点！

问题 be+adj.+enough+不定式(用主动式与被动式)

在“be+adj.+enough+不定式”中，当句子主语是不定式的逻辑宾语时，这个不定式是用主动式还是用被动式？The dictionary is small enough _____ (put) in your pocket. 这本词典小得可以放在你的口袋里。希望专家老师能给出一个规律性的结论，...

问题 be successful后面可以接介词at吗

...nding a new house? 你想找所新房子找到了吗? 请问可以将 be successful in sth 中的介词 in 换成其他的介词吗？比如用介词 at 等。

问题 He ordered the books to be sent at once是虚拟语气吗

He ordered the books to be sent at once.请问老师这句话有虚拟语气吗？从哪里看出的？谢谢老师的回答。

问题 现在进行进与一般现在的区别实例

The result, older women are more likely to gain weight even if they are not eating more.能说成 even if they don't eat more 吗？

问题 不定式前面是否加逗号

Fat and salt are very important parts of a diet. They are required to process the food that we eat, to recover from injury and for several other bodily functions. 请问，required后面是不是应该加一个逗号？to process the food 做什么成分？

问题 句子成分分析

The idea is to  experiment if potatoes and silk worms can flourish on the Moon  in simulated minibiosphere. 老师好，请问on the Moon  是地点状语还是potatoes and silk worms 的定语？

问题 代词辨析

—This book on idioms is interesting. I'd like_______. Where did you buy it, Simon?— In the Amazon Bookstore.A .itB .thisC .thatD .one请问这里为何不能用it呢  ，it指前面用过的   book on idioms  不行吗?

问题 动词前面最多可以有几个助动词(must have been being)

有人说，一个动词前面最多可以有四个助动词，并举例如下：Jim must have been being told while I was outside. 请问这个说法是对的吗？

问题 I say that you only live once and we work hard and what's the point if you can't go on holiday.这里的“what's the point”不是疑问句形式吗，也可以用到陈述句里来吗

问题 分词短语所做的成分

And interest groups ranging from postal unions to greeting-card makers exert self-interested pressure on the USPS's ultimate overseer—Congress—insisting that whatever else happens to the Postal Service, aspects of the status quo they depend on get protected. This is why repeated attempts at ...

问题 翻译

The empires had yet to work out an elusive compromise that was achieved only too rarely: the viable balance between a rigorous, disciplined mode of government and attention to the ethical values of the humanities. From the outset they faced one question, seen indeed before the days of empire had daw...