老师好！向老师请教一个句子：Though they’ve been around long before
we walked on the earth, sharks still attract us to this day.请问：they’ve been around
long before we walked on the earth 中的
have been around 的时态是否合理，是否应改为had
been around？
1. They spend 3000 yuan each
month—about 60% more than the others’ spending.请问为什么破折号后面是非限制性定语，而不是3000
yuan的同位语呢？二者的区别是什么？2. He raises and helps to give out
1000 dollar.请问这句的谓语是raises and
helps，还是raises ...
No one disputes the costs in quality of life and depleted health
budgets of an obese population.
请问老师该怎么判断是 disputes 和 depleted 两个谓语并列，还是depleted 当形容词，the costs 和 budgets 两个宾语并列？budgets 复数没法通过冠词来判断，这种题...
孩子卷子的题干说What do we know about the exam Liana is taking。我和孩子分析的时候把about前的内容先删去（ the exam Liana is taking。），就看后面，孩子觉得后半部分可以按照Liana take exam来翻译，意思是：Liana考试（的过程），但我觉得后...
1 The speaker has
always been different, but is content being considered strange by others.请问：形容词content后面是现在分词短语作状语吗？2 I’m happy
working for this company.请问：形容词happy后面是动名词短语吗？老师，这个要怎么区分形容词后面是...
By 2020, China’s carbon dioxide emissions per unit of GDP will fall by 40-45 percent compared with those of 2005, the share of non-fossil fuels in primary energy consumption will rise to around 15 percent, the forest coverage will increase by 40 million hectares from 2005 level, and the forest sto...
“The big bosses know better,” or “they see
the bigger picture,” were the catchphrases of my seasoned colleagues. 这是俄罗斯前外交官Boris Bondarev在《经济学人》应邀专栏写的一篇文章中的一句话。用were是因为语义一致的缘故吗？另外，两个逗号应...
这是个电影台词：I know you’ve been calling. I haven’t had time to schedule a follow-up.关于该句有以下疑惑，还望老师指点：1.通过以上两句，能否判断出说话人用现在完成时表示的是状态(持续到现在的状态) 还是事件(因为没有时间所以...
上课时老师讲主谓间宾直宾时举了句型转换的例子：例一：1. He gave me some advice.2. He gave some advice to me.例二；1. I am going to buy her a gift.2. I am going to buy a gift for her.我想请问：转换后的句式里，“to me”和“for her”是介词结构充当什...