被动语态be done中关于动作时间和动作状态的疑问

被动语态公式为be＋done，请问，be是指时间还是同时指时间和时态。例如:一般进行时的被动为am/is/are being done.其中，am/is/are(时间)+being(进行态)＋done（被动态）。，请问被动语态是一个时间两种状态吗？

ever用在过去进行时是什么含义

If we are ever going to protect the atmosphere, it is crucial that those new plants be environmentally sound.此处的ever该如何理解？ever用在过去进行时是什么含义？如题

anyone与whoever的区别在哪里

有这样一组正误句子：任何一个干出这事的人都必须抓起来。正：Whoever did this must be caught. 误：Anyone did this must be caught. 上面的误句误在哪里呢？请从语法上分析，句子的意思我懂。如题

插在句子中的短句作什么成分

什么叫附加状语

在一本语法书上看到，说下面句子中的Generally speaking是附加状语：Generally speaking, there are two ways to handle the problem. 一般说来，处理这个问题有两种方法。请问：什么叫附加状语？附加状语与其他状语...

类似look forward to 的词组

请教们：So,with a glow in your eye and a song in your heart,step forward to meet these new experiences!中step forward to 为什么to不是介词拜托们了，谢谢了！如题

in?the?habit?of?doing可改用不定式吗

▲表示做某事的习惯，英语多半是说 in the habit of doing sth，比如下面的句子：Are you in the habit of rising early? 你有早起的习惯吗?They were in the habit of giving two or three dinner parties a month....

compose和comprise的区别。

compose和comprise的区别。如题为什么选的是comprise而非compose， The communication relation is defined as the channels through which messages are transmitted by people who ____ a social system.如题

没有主语的情况下,be invited to.. 的不定式还是主补吗 ?

I think it a great honor to be invited to visit your country. 没有主语的情况下,be invited to.. 的不定式还是主补吗 ?如题

关于vice versa的使用

For the MC, when the moisture content is constant, its thermal conductivity is positively correlated with dry density; when the dry density is constant, the thermal conductivity is also positively cor...

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不是现在完成时吗?望指教如题

定语从句或各种从句的疑问

定语从句中的动词疑问，及物动词和不及物动词用法。This is the room where i once lived.这是我在百度百科看到的例句，他说这里的live是不及物动词，不是后面一定要加个in吗？This is the room where i once lived...

confused 还是 confusing

I was so ______ in todays history lesson. I didnt understand a thing. A, confused B. neglected C. amused D. amazed请问：这四个选项都是什么意思，不好选啊！为什么都是过去分词呢？我想选A，可是为什么不...

这是否定转移吗（I dont work normal hours every day）

I dont work normal hours every day. My hours and days are different every week.

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,and it feels great...

take turns后接不定式还是现在分词

牛津高中英语模三p9有这样一句话：The other group members could take turns narrating and holding the pictures. 另外一组的成员可以轮流叙述和举画。句中的take turns后面接的是现在分词，但我的笔记上有take tu...