定语从句作文常用句型【一】
1。 It is considered /thought that人们（有人，大家）认为
2。 It is generally /usually accepted /agreed/recognized that普遍（一般，通常）认为
3。 It is believed that有人（人们，大家）相信
4。 It is well—known that大家知道（众所周知）
5。 It is said that据说（有人说）
6。 It is learned that据闻（悉）
7。 It is supposed that据推测
8。 It is estimated/predicted/calculated that据估计（预计）
9。 It must be pointed that必须指出
10。 It is reported that据报道
11。 It must be admitted that必须承认
12。 It will be seen that可见（可以看出）
13。 It will be seen from this that由此可见
14。 It is understood that不用说（都知道）
15。 It can not be denied that无可否认
16。 It has been proved/demonstrated that已经证明
17。 It may be confirmed that可以肯定
18。 It may be safely said that可以有把握地说
19。 It is sometimes asked that人们有时会问
20。 It is expected that/hoped that人们希望
21。 When it comes to要说到，要谈及
定语从句作文常用句型【二】
当which引导的定语从句指代主句全部内容时，可以把which改为it，作形式主语，把原来的主句改成正在主语。或者把定语从句的整个信息改换为名词短语作主语，使原来的定语从句变成简单句。
例4： He indulges himself all day in computer games, which makes his parents extremely sad.
改为：It makes his parents extremely sad that he indulges himself all day in computer games.
他整天沉湎于电脑游戏，这使他父母伤心至极。(主语从句
或者：His indulgence in computer games all day makes his parents extremely sad. (名词短语
定语从句作文常用句型【三】
介词短语替代定语从句有两种方式：(1省略“关系副词+主语+be动词”，或“关系代词+be动词”;(2根据从句的意思改编。
例1：We have never forgotten the days (when we were at college.
我们从来没有忘记在大学对书的日子。
例2：I don’t know the person (who is in your office.
在你办公司的那个人我不认识。
例3：Those who have high expectations but do not have those relationship skills are likely to be brought down to earth fairly quickly as their Prince or Princess Charming falls off their pedestal.
改为：Those with high expectations but without those relationship skills are likely to be brought down to earth fairly quickly as their Prince or Princess Charming falls off their pedestal.
那些对婚姻期望太高却又不具备处理婚姻关系技巧的人，一旦他们心中的白马王子或白雪公主从神圣的光环里跌落，他们就会很快地回到现实中。
例4：He is not a person who likes to haggle over every ounce.
改为：He is a person above personal interests.
他不是一个斤斤计较的人。
定语从句作文常用句型【四】
“形容词短语”省略的理由和方式，与“分词短语”作后置定语一样。当它们不是句中的重点信息，就可以去掉关系代词和be动词。形容词作后置定语同定语从句一样，可以分为“限制性”和“非限制性”。
例1：I bought this comic book hot off the press. 我买了这本刚刚出版的漫画书。
例2：She is a kind lady, ready to help others. 她是一个善良的女人, 总是帮助别人。
例3：Companies large and small the world over have been developing their own “corporate universities”. 全世界大大小小的公司都一直在办自己的“公司大学”。
