1.go to extremes 走极端
provide = supply 给…,提供（通常与介词搭配连用）
provede sb.With sth./ provide sth.for sb.
eg：He provided them with a bed for the night.
He provided a bed for them for the night.
2.‘…a journalist had been instructed by a well-known magazine to write an article on the president's palace in a new African republic.’
主动语态：A well-known magazine instructed a journalist to write an article on the president's palace in a new African republic.’
3.The editor at once 双宾语< instructing>分词作后置定语 him to find out the exact number of steps and the height of the wall.
instructing—现在分词进一步补充说明fax的情况
4.not only 位于句首,必须采用倒装形式
The poor man had not only been arrested,but had been sent to prison as well.
（1）否定副词位于句首,要倒装.
eg：Never have I read such stories.我从来没有读过这样的小说.
Nowhere can he find the book he wants.无论在哪儿他都找不到他想要的那本书.
Hardly did I think it possible.我并不认为这是可能的.
常用的否定副词：never,seldom,rarely,little,hardly,scarcely,nowhere,no sooner
（2）含有only的状语位于句首,句子要倒装
eg：Only then did he realize that he had made a mistake.
只有到那个时候,他才认识到自己犯了个错误.
Only when a great deal more information has been obtained will it be possible to plan a trip.
只有获得比较多的信息之后,才有可能计划去旅行.
（3）还有not的副词短语位于句首,要倒装.
not for a moment,not in the least ,not for an instant,not untileg
eg：Not in the least is he interested in Englsh literature.他对英国文学一点都不感兴趣.
Not for an instant did i believe he had lied.
（4）含有no的短语位于句首,句子要倒装.
at no time,in no way,in no sence,by no means,in no case,on no account,on no condition ,under no circumstances.‘绝不’
eg：Under no circumstances can we accpet the check.无论如何我们不能接受这笔钱.
On no account must you leave the baby in the house.你无论如何也不能把婴儿留在房间里.
（5）so,suh位于句首,句子也要倒装.
5.However,he 终于,最终 allowed to send a fax in which（in which引导定语从句修饰fax） he informed the editor that （that引导宾语从句修饰informed）he had been arrested while （while引导时间状语从句）counting the 1,084 steps leading （分词作后置定语）to the fifteen-foot wall which surrounded the president's palace.