...过去的虚拟还是对现在的虚拟?He talks as if he had known John since boyhood. 请问老师这句话中，虚拟语态是对过去的事情进行虚拟还是对现在的事情进行虚拟呢？现在有两种说法：对过去的虚拟；对现在hsa know John since boyhood的虚拟。
...故事由三部分组成。第三部分关于Dolly的叙事使用了什么时态？起到了何种表达效果？1. Donald
Wryson, in his crusading zeal for upzoning, was out in all kinds of weather,
and let’s say that one night, when he was returning from a referendum in an ice
storm, his car ski...
He is the man visiting us yesterday.He is the man who visited us yesterday.这两句是否都正确呢？我知道现在分词做定语是表示“主动”、“同时”。那这个地方的用法是否有问题呢？Do you know the people coming to the party tomorrow?这个句子我判断应该...
...都是虚拟语气，所以日常对话中是不是单独出现一句过去时态的句子，就有可能是表示虚拟语气？2. If you flunk out, the university authorities are
obliged to see that you return to your home immediately.夏济安评：“这里you
return的return也是虚拟语气...
在语法书上看到两个句子。第一个是： I didn't know it until you told me .第二个是 : I had heard nothing of what had happened until you told me .为什么第一个主句用的是过去式而第二个句子用的是过去完成时呢？这对我的影响好大。。我觉得第...
prefer后接that从句或接it if...从句，从句谓语动词通常用过去式或should+动词原形，表示现在或将来的情况。如：I'd prefer that
he came next week.I'd prefer that
he (should) come next week.I'd prefer it if he
came next week.I'd prefer it if he
(should) come next week...
M: I agree with your proposal at the meeting this morning. It was a good one.W: You should back me up then, when I needed it.Q: What does the woman mean?A) Her back hurt during the meeting.B) She agreed that it was a good meeting.C) The proposal should be sent back.D) His support would have helped t...
3D printing services are coming into American people’s life. The UPS Store is a nationwide retailer (零售商) that provides copying and other services. The UPS Store recently put 3D printers in three of its independently-owned stores. Burke Jones owns one of the stores in San Diego.“The demand...
Since her birthday is in late summer, eight months behind mine, I basically became her driver when I
turned 16 in December.请问老师：1 eight months behind mine是名词短语作定语修饰late summer吗？behind mine是介词短语作定语修饰eight months吗？2 behind mine中behind是表...
(1) because it means we have the chance to obtain information about how
the moon ____ (construct) (2020年全国I)(2) After a three-year pilot period, the GPNP will be officially set up
next year. The GPNP ____ (design)
to reflect the guiding principle of "protecting the authenticity and
integrity...
比如如下情景，我去餐馆吃饭. 在餐馆里，服务员问我是否有预定:1) Do you have a reservation?2) Have you made a reservation?3) Did you make a reservation?4) Have you had a reservation?上面的1) 2)两句，是书上的，而3) 4)两句是我自己写的。因为我自己是...