定语从句英语作文必备【一】
“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”。
定语从句英语作文必备【二】
1.主句是一般现在时，从句可以为各种时态。
2.主句是一般过去时，从句要用相应过去时态。
注意：从句描绘客观事实、真理、自然现象等，从句时态不受主句时态限制，仍用一般现在时。
例句：He answered that he was listening to me.
Father told me that practice makes perfect .
定语从句英语作文必备【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。
定语从句英语作文必备【四】
例句：Two other poses were tried and I emerged from the booth to find a lot people waiting for my signatures.
又试了两个其他的姿势后，我从拍照亭里出来，发现很多人在那里等待我的签名。
定语从句英语作文必备【五】
如果定语从句的时态与主句的时态具有同时性(包括谓语有情态动词或之后性，则可以用“关系代词或关系副词+不定式”来简化，或直接用“不定式”来修饰先行词。要注意的是，此时的不定式一定要是及物动词，如果是不及物，则需要在动词后面加上相应的介词，使之成为及物动词短语。这个结尾的介词可以提前到关系代词前面，也可以继续留在句尾。前者是正式说法，后者是非正式说法。
例1：We moved to the country so that the children would have a garden in which they could play in.
我们搬到了乡下，好让孩子们有个花园在里面玩。
改为：We moved to the country so that the children would have a garden in which to play.
或者：We moved to the country so that the children would have a garden to play in.
例2：He felt miserable unless he had neighbors (whomhe could quarrel with.
他要是没有可以吵架的邻居就难受。
改为：He felt miserable unless he had neighbors with whom to quarrel.
或者：He felt miserable unless he had neighbors to quarrel with.
例3： The conference which will be held this afternoon is bound to be a great success. 计划在今天下午举行的会议一定会取得成功。
改为：The conference which to be held this afternoon is bound to be a great success.
或者：The conference to be held this afternoon is bound to be a great success.
例4：At a ceremony in Honolulu on Dec. 29, Postmaster General John E. Potter gave a preview of the Lunar New Year Commemorative Stamps Souvenir Sheet, the grand finale of the Lunar Year stamp series, which will be available in 2005.
12月29日，美国邮政总局局长约翰·E·波特在檀香山从句了农历新年的纪念邮票小型张的揭幕仪式，这枚小型张将于2005年正式发行，它为农历新年的系列纪念邮票写下了完美的结局。(注意：与定语从句一样，也可以采用非限制性形式
改为：At a ceremony in Honolulu on Dec. 29, Postmaster General John E. Potter gave a preview of the Lunar New Year Commemorative Stamps Souvenir Sheet, the grand finale of the Lunar Year stamp series, to be available in 2005.
定语从句英语作文必备【六】
一般说来，用on和at表示“as soon as, once”。on后面常接“来、去”之类的词，at后面常接“听到、看到”之类的词。in后面接其他带动作的词，相对于从属连词“while”。
例1：On removing them he was stunned to see that the plates were fogged where the crystals had covered them.当他把晶体揭开时，发现盘子上方雾蒙蒙，他吃了一惊。
例2：In running down the stairs, I heard the clock struck twelve.
我在跑下楼的时候，听见钟敲了十二下。
例3：He jumped with joy at hearing the news.他一听到这个消息就高兴得跳了起来。
