例句:Stand up and pay attention.
站起来并集中精神。
4.Mr Schwarzenberg said it was difficult to avoid the suspicion that racist views had played a role in France's decision. He said it was contrary to the spirit of European Union rules.
be contrary to与…相反
例句:Your plan is contrary to mine.
你的计划与我的相反。
1.The report, covering the years 1993 to 2003, suggests Rwandan troops may have committed acts of genocide during fighting in the Democratic Republic of Congo.
may have committed对过去发生的事情表示猜测
1)may / might have 过去分词”表示对已发生的动作或存在的状态进行不肯定的推测,might的语气比may弱一点。这种结构主要用于肯定句和否定句,疑问句改用can或could。如:
They may not have known it beforehand.
You might have read about it in the papers.
2)“must have 过去分词”表示对过去发生的事情或状态进行推测,语气比较坚定,通常只用于肯定句。如:
It must have rained last night, for the ground is wet.
You must have been mad to speak to the servant.
3)“can / could have 过去分词”表示对过去某种情况的怀疑或不确定。can和could一般用于否定句和疑问句,could的语气较can弱。如: