比如：appear to be/to be doing/to have done和appear to do，前面的appear是系动词嘛？apper to do这里是半助动词还是系动词？如何区分半助动词和系动词呢？比如 be going to/be about to do等这些都是助动词，都是接to 的不定式，为什么这些不能接...
...推测，但语法书上从来没这么说过，现在举几个例子：1. There will have been a definite result before Friday. 星期五以前肯定会有结果。2. By the time you get to Beijing tomorrow, I should have left for Shanghai.等你明天到达北京的时候，我很可能已经...
If
that’s hard to understand, let’s keep it as simple as the arugula at the back
of my refrigerator. Mike Curtin sees my arugula story
all the time — but for him, it’s more like 12 boxes of donated strawberries
nearing their last days. Curtin is CEO of DC Central Kitchen in Washington,
D.C.,...
...时，我发现第四条并不适用所有情况，例如：
I finished the homework quickly and happily
The homework was finished quickly and happily
I made this cake with eggs and cream
This cake was made with eggs and cream
I visited that city with my siser last yer
That city was visited wi...
...es, and I also like to read short
stories. I plan to become an engineer in the future.这是2019年版高中英语新教材（人教版必修一p8）Welcome Unit的一个小段。这里的 a Grade 10
student 是指“10年级学生”吧？但在我国，最多只有“九年级”啊。请哪位老...
..., metal and paper; and more than two thirds (70%)
had tried to cut back on the use of
disposable packaging, such as plastic honey bottles, and butter and yoghurt
containers.句子摘自北师大高中英语必修第三册第8单元(p40)。请问 cut back 与 cut back
on 如何区别？上面句子...
...意识地"I"怎么怎么样？我们看看英文表达：Very few of and the fifty pence pieces and the pound coins I have given him have found their way there (= money box). --《新概念》第三册第十五课硬币居然有腿，自己会跑到存钱罐那里落脚。可惜，跑去落脚的硬...
1）Managers are subject tothe scrutiny of specialists.经理们会受到专家的严格审查。2）He resumed his scrutiny of the chessboard.他又开始仔细看棋盘。以上2个句子，句1）是scrutiny of sb结构，却要理解成sb主语，把scrutiny理解成类似谓语。而句2）是...