问题 关于定语从句关联词选择的疑问

请教各位老师，这一题为什么不能用that？

问题 定语从句的省略

请问下面的句子中横线部分为什么能省略that are?It is essential for the school canteens to diversify the meals and to increase the dishes ___ rich in protein and fibers.

问题 插入语的含义

...or more for a payoff if a policeman stops them for, say, crossing a street where rickshaws are prohibited.请问老师这个say在这个地方表达一层什么含义？

问题 as if从句是否一定要用虚拟语气

...大高中英语必修第三册第8单元(p29)。我知道这里的 as if 从句中用 had 是因为它是虚拟语气，但我在有些语法书中看到过，as if 从句的内容即使不是事实也可以不用虚拟语气的。请问这里的 as if 从句是否也可以不用虚拟语气？比...

话题 occasion作定语从句的先行词时后关系副词的选用

问题 宾语从句分析

...sp;C. has discovered D. has been discovered 这句算不算宾语从句时态要一致？如果算的话为什么不选B？什么样的宾语从句时态要一致呢？是不是只有I said这样的宾语从句后面才要用过去时态？

问题 “so+形容词或副词”置于句首的倒装（后面没有that从句）

“so+形容词或副词”置于句首的倒装（后面没有that从句）so...that...句式的 so...置于句首时，其后用部分倒装。如：但如果没有 that 从句呢？也可以倒装吗？比如：The man's wife was so beautiful.能这样写吗？So beautiful was the man's wife.若...

问题 while 从句用一般时的情况

while从句动态动词一般为进行时但也有用一般时的句子Can you wait for me while I make a call?Can you hold my bag while I try on this jacket?甚至在《grammar in use》里还有Alex read a book while I watched TV.这样的例句这个语法规律我没查到，有老师讲解一...

问题 they remembered 定语从句的先行词是什么

Stressful events were only a small percentage of what the children said they remembered.句子中的they remembered是定语从句吗？先行词是什么？

问题 这里的it是代替主语从句还是动词不定式

It is hard to believe that he is all right.这里的it是指动词不定式to believe that he is all right，还是指that从句呢？

问题 宾语从句的语序

©I know who is your father(我知道谁是你爸爸)I know who your father is（我知道你爸爸是谁）我想问下两个句子都对吗，第一个who做主语，第二个做表语可以吗，谢谢老师们

话题 同位语从句的时态与主句时态如何呼应

问题 关于since从句中延续性动词的含义问题

老师们，我有以下四个关于since从句，我特别想知道到底要怎么理解since从句的谓语动词与since从句的翻译，特别想知其所以然①I have known him since I was in Shanghai②I have known him since I have been in Shanghai③It's 3 years since I was in Shanghai④I...

问题 in which的用法

... in which alumni founders share their entrepreneurial journey, from CBS to where they are today.  CBS是columbia bisuness school.

问题 句首的as a husband, as a man是作状语吗（方式状语吗）

As a husband, I should try to be the anchor of the family.类似 as a husband, as a man, as a student 这种结构是作状语吗？如果是，是方式状语吗？