1， You（ must have been/ Must be） a good student when you were at school. 2， Last night I saw a boy wandering on the street. He must （have been /be）lost, I thought to myself.请问这两据分别选哪一个？如果不一样的话，为什么不一样？
In addition, as can be seen with the trend of many department stores in the UK to take on older people, they are seen to be more reliable and respectful.请问这个with 结构 和前面see有什么关系吗？ 能不能把with复合结构放在as从句之前呢？ 好像经常见到这种结...
老师好， 我在听力材料里看到下面的句子：So, do you mind many business trips? There will be six to ten times traveling abroad a month.请问老师，您觉得里面的times用得对吗？改成There will be traveling abroad six to ten times a month.呢？谢谢老师。
The
temperatures are required/needed to be controlled lower than 93 degrees. (要求控制温度小于93度) 这句话对吗？还是说The
temperatures require/need to be controlled lower than 93 degrees.才对？Controlled改成controlling呢？
But it's not all bad for the late nighters. In fact, they tend to be
much more creative, have been found to have higher cognitive abilities. and are
known to be risk takers. What they lack in white matter, they make up in
cortisol levels. 我在口译教材上看到，上面写到What…是make up...
It is unlikely to be at the hands of human-shaped
forms like these, with recognisably human motivations.上面一句出自2020高考英语北京卷阅读D材料。请问这里为什么用副词recognisably而不用形容词recognisable? 附全文供参考：Certain
forms of AI are indeed becoming u...
It is essential that you be on time to work tomorrow.各位老师好，我在一节网课上看到这个句子，网课中说用到命令（commands/requests）的语气时可能会涉及到这部分知识请问这个句子是对的吗？为什么用be呢？我对这种语法现象一无所知。烦...
Through reading, people can better learn to be grateful , responsible and cooperative with others.通过阅读，人们能更好地学会感恩、有责任心和与人合作。想问一下，画线的部分是否表修饰部分为非谓语to do，learn为谓语动词？后部分可否写成：l...
it is possible that in years to come they may be regarded as normal. 这句中的介词短语in years to come可以放在句末吗？像这样→_→it is possible that they may be regarded as normal in years to come. 还有一个问题，that 在这里面是什么成分呢？是与i...
...现在分词短语用作原因状语时通常是位于句首的。如：
Being very weak, she couldn't move. 她由于身体虚弱而不能行动。
Being so ill, she can’t go back to work yet. 由于病得那么厉害，她还不能去上班。
The teacher, not having heard the chim...
...iggest source of plastic pollution, but they’ve recently come under fire because most people don’t need them to drink with and, because of their small size and weight, they cannot be recycled. 我想问一下这个句子的语法结构，尤其是后半部分。这个句子是由but连接的并...
If the industry does not adapt, fragrance risks being left further behind, and not just at Christmas.
这里and之后的句子等同于and fragrance risks being left further behind not just at Chriatmas吗?not just作为副词修饰at Chirstmas?