...动词不定式有一般式、进行式、完成式三种表现形式：to do/to be doing/to have done。这三种形式反映了不定式与谓语动词发生的时间先后关系，分解如下：1. 一般式：It seems/appears to rain this afternoon.一般式往往表示其动作在谓语动词...
...stion?(A) Shall I (B) Will I (C) Would you like that I (D) Do you want that I答案 B、C 为何不行？2. Tell the boy that he _______ in the river.(A) swims (B) swim (C) swimming (D) to swim为什么答案为 B，是虚拟语气么？
1.What do we got to show for
it?这句话不定式是what的定语还是目的状语？有点分不清楚。 2.Twelve enemy fighters had
been brought down.这是牛津词典的一个例句，句子是过去完成时的被动语态，但不是说用过去完成时要有个过去的时间参照吗？...
《小妇人》里的这句话, 为什么不用现在时表将来? 有什么特殊的原因吗?“So I do! Will you come, please?” cried Laurie.“I’m not quiet and nice, but I’ll come, if Mother will let me. I’ll go
ask her. Shut that window, like a good boy, and wait till I come.”
有一下两个题干部分Nancy is the only one of the visitors that is able to do that.He is the only one of the foreign experts who is working in China.请问老师是不是在这种情况下，不一定只能用that，我可以这样理解这种现象么？谢谢老师。
请问各位老师：“Right, well, even if we do all of that, I don’t think we’re going to be able to bank on more than five minutes,” said Hermione, looking relieved that Harry seemed to have accepted the plan, “not with Filch and the wretched Inquisitorial Squad floating around.”这段...
...形或者have+过去分词在主语后面？例如：what would you have done ... what should you do 这种形式对吗？另外，虚拟语气用于主语从句或者宾语从句等，只能存在于陈述式肯定句中吗？可以用于疑问句和否定句中吗？比如：it is necessary that...
I am busy now, _______ my brother do it for you?A. Will B. Shall C. Must D. May解析：选B. 在疑问句中shall 用于第三人称，也表示征求意见。为什么不能选D呢？我看语法书也没有对can, could, may, might 明确提出人称限制，但是确实日...
... sea
animals eat plastic garbage, ___57___ (think) it is food.I
decided to do something ___58___ (educate) people about this problem. I held
presentations at schools to teach kids about plastic waste. I wanted to reach
businesses too. I decided that if I learned of a company ___59___ used a lot of
p...