表示对比类写作套语

　　1. 开头常用句型 　　Great changes have taken place. 　　Great changes have taken place in my hometown in the last five year. 　　Quite a few changes have taken place in my school since you left China. 　　Over the past twenty years or so, great changes have taken place in our life. 　　Things have begun to improve since 　　自从以来，事情有了好转/改善。 　　Things have begun to improve since schools were called on to reduce learning load. 　　2. 对比常用句型: 　　used to, but now 　　过去常，但是现在 　　in the past, but now 　　在过去，但是现在 　　once, but now 　　曾经.，但是现在 　　Things are different now. 　　情况已大不同了 　　But now, everything has changed. 　　但是现在全变了