一、 重点句型解析
　　1． -ed 分词作宾语补足语
　　【教材例句】
　　We found the room decorated with framed ads on the walls.
　　【高考链接】
　　Television has so many advantages. It keeps us ______ about the______ news, and also provides entertainment in the home. (2004北京西城区)
　　A. informed; latest B. to know; later
　　C. learning; later D. to think; later
　　【句型解读】
　　句意：电视有许多优势，它使我了解最新的消息，并提供在家里娱乐的机会。句中us和informed就构成被动关系。若同宾语构成主动关系时，则应用-ing分词。例如：
　　The old man stood behind the door, with his eyes looking into the sky.
　　Many foreigners in England have considerable difficulty in making themselves understood.
　　2. all 与not 连用构成的部分否定
　　【教材例句】
　　Not all ads are used to promote a product or to increase a company’s profits.
　　【高考链接】
　　We haven’t enough books for ______；some of you will have to share. (2005豫，晋，黑)
　　A. somebody B. anybody
　　C. everybody D. nobody
　　【句型解读】
　　all、both、every或every构成的合成词与not连用时表示部分否定。例如：
　　Not both of us have been to the Great Wall.我们俩并非都去过长城。 ＝ Both of us have not been to the Great Wall.
　　若表示全部否定时，则应用下列形式：neither, none, nor, no one, nothing, nobody, not ... any或no＋名词等。例如：
　　Neither of us knew the secret.我们俩人都不知道这个秘密。
　　3． if条件从句的省略
　　【教材例句】
　　If untreated, it would produce a powerful poison that would kill the patient.
　　【高考链接】
　　Find a seat quickly；______ there won’t be any left. (2006东北联考)
　　A. if not B. if soC. or ratherD. or so
　　【句型解读】
　　if 引导的条件状语从句的省略必须符合一定的要求，即从句中的主语与主句的主语一致，这时通常省略从句的主语和助动词部分。if not＝if you don’t find a seat quickly.常见的省略形式有if possible, if so, if necessary, if any, if in need等。例如：
　　Correct the mistakes in your composition if any.
　　类似用法还有until, unless, once, when, while, as if, though等。例如：
　　When comparing different cultures, we often pay attention only to the differences without noticing many similarities. (2006浙江)
　　The research is so designed that once begun nothing can be done to change it. (2002全国)
　　The man opened his eyes and moved his lips, as if to say that he had something to tell the doctor.
　　4. 动名词短语用法归纳
　　 【教材例句】
　　 Choosing the name for a product is of course extremely important.
　　【高考链接】
　　Victor apologized for ______to inform me of the change in the plan. (2004上海春)
　　A. his being not able
　　B. him not to be able
　　C. his not being able
　　D. him to be not able
　　【句型解读】
　　动名词短语在句中的用法上相当于一个名词短语，在句中可作主语、表语和宾语。上句中his not being able 就是充当介词for的宾语。例如：
　　In some parts of London, missing a bus means waiting for another hour. (作主语)
　　My job is teaching you English. (作表语)
　　5. if 条件句的虚拟句型归纳
　　【教材例句】
　　If you were working hard, you would not be cold.
　　【高考链接】
　　You didn’t let me drive. If we ______ in turn, you ______ so tired. (1996全国)
　　A. drove; di

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