witnessed 时态

Between 2000 and 2005, these years have witnessed a growing socialmobility.

此处是主语补足语吗

Students have becom konwledgeable.书上说此处的knowledgeable"是做主语补足语，即做主语students的补语，那这样理解的话不就是助动词have+系动词become了吗？但是前面have become不是...

enjoy可以用于进行时态吗

It’s good to have a different focus. People have been bringing theirchildren in to see the hens and residents come and sit outside to watch them.I’m enjoying the creative activities,...

imagine have... 的have是作什么作用?

Imagine have the police intercept your plans to rob a bank.请问,这个句子中多出来的have是做什么用的? 如题

a series of waves作主语谓语动词用单数还是复数

与祈使句连用everybody等是什么句子成分

一般说来，祈使句都以动词原形开头。如：Drive carefully. 小心开车。Be quiet, Tom. 汤姆，安静点儿。Have a cup of coffee! 喝杯咖啡吧!Remember to switch off all the lights. 记着把所有的灯关掉。但...

Such...开头的句子

为什么such放在开头?能否详细讲解一下这类句子？Such is the elegance of this typeface that it is still a favourite of designers. 这种字体很优美,至今深受设计人员喜欢。 这是倒装句吗？如果是的话可...

有没有“从句的同位语从句”这个说法

In his book “Life After Google”, George Gilder notes that, since Marx, intellectuals have often erred in thinking that their own eras were the final stage of human history, ie, that they had...

宾补还是状语的判断

请教们：He will have the car at his disposal for the whole month. 怎么分析好呢？ 我认为: have此处为使役动词，at his disposal为宾补，只是省略了be。而一个同学认为：at his disposal为状...

do?ones?homework中的物主代词可以省略吗

说do ones homework是固定搭配，其中的物主代词不可以省略。如以下各句中的his, my是不能省略的：He did his homework with a ballpoint. 他用圆珠笔做了家庭作业。I have almost finished my homework. 我...

have been going to表达什么意思

I have been going to have finished the job by the time they arrive.这句话应该怎么理解呢?感觉have done加上be going to再加上have done时态和动作发生时间完全蒙了.如题

next morning 是否应该改为the next morning

Tom is excited about his thirteenth birthday. "Its my birthday tomorrow. Can I have a birthday party?" He asks his mother. “You dont need to have a party this year, Tom. You had one...

请问这个句子中的两个with怎么理解?

He cleared out with all the money and left her with the kids.. 第一个with:为什么clear out 把...清理走不是可以直接接名词吗,为什么它还需要加一个with? 第二个with:leave sth (to/with) sb 有什么区...

as做什么成分

As I am sure you know by now,our favourite teacher ,Ms.steen, is leaving soon to go back to the US. 在这个句子中，as做什么成分？是插入语吗？还是什么状语从句呢？求解答谢谢！如题

as引导的是方式状语从句还是非限制性定语从句

Sir Alexander Fleming did not, as legend would have it, look at the mold on a piece of cheese and get the idea for penicillin there and then.上句可改写为：Sir Alexander Fleming did not look a...

错综虚拟语气

If we_______200 years old,we______everything.A.were to be,could change B.had been,changed C.were,would have changed D.should be, changed.这道题，C为什么不对，从句对现在事实的虚拟，主...