一、改变时态 例:The bell is ringing now. 一般 There goes the bell.特殊 二、改变语态 例: People suggest that the conference be put off.一般 It is suggested that the conference be put off.特殊 三、使用
一.开头句型 1.As far as ...is concerned 2.It goes without saying that... 3.It can be said with certainty that... 4.As the proverb says, 5.It has to be noticed that... 6.It`s generally recognized tha