...？before前逗号是不是多余了？
Major reform tasks concerning the fiscal and tax system will be completed by 2016, before a modern fiscal system will be built by 2020.
2. 下面的句子是正确的，为什么不用逗号？
She had to give the doorman a tip before (= in order t...
He dismisses a lot of the work of re-engineering consultants as mere rubbish — "the worst sort of ambulance-chasing".句子中的 ambulance-chasing 好抽象，没有懂，这是什么意思？它在这里引申为什么了？
The general sent out word that no one in the bunker ______ to bed until further orders. A. will go B. would go C. was about to go D. was to go这道题选哪个，考的是什么语法点？谢谢！
请看下面的句子：I don’t mind opening the window. 我不介意打开窗户。我觉得这个句子中的动名词短语 opening the window 的逻辑主语就是句子主语。您怎么看？会不会是 anyone? 还是？欢迎大家发表看法。参考分析：http://ask.yygrammar.com/q-25...
He had hardly had time to settle down when he sold the house and left the country.老师，把……hardly....when..看成是固定搭配吗，与no sooner...than..同一样的意思吗，如果按字面分析逻辑不是很通，还有这些是什么搭配的，是起连词的作用吗，有...
With so many ordinary people sticking to their posts, I believe that the virus must be the first to be defeated.语法书上说must不能表示将来的推测，要换成be sure,请问是这样吗？出自中国日报
He put on his raincoat,went out and disappeared in the torrents of rain.同一个主语的情况下，什么时候写成并列句，什么时候写成分词伴随句？ 比如现在这个例句，能不能逗号后用分词 going out and disappearing in the torrents of rain？
如：
1.She was not working but going on
holiday last summer.
2.Students in our school often go on field trips.
3.go on a picnic
go to the zoo
go to the park
请问尊敬的曹老师：Oh, and if I’m out when the wash cycle finished, would you please take my clothes out of the washing machine?1.红色字体处是否为病句？2.状语从句的省略必须满足以下两个条件吗：主语与主句相同，谓语包含be。谓语不包含be能否省...
... Collection boxes have been placed in local offices and telecom stores
and they will remain there until the metal required is collected.为什么remain用一般将来时，为什么不是现在完成时或现在完成进行时？
2. Although pressure, to some extent , can provide motivation, too m...