逍遥右脑 2015-06-16 13:21
【编者按】为广大考生朋友整理了英语语法要点，同学一起来学习吧!
一. 非谓语动词的句子结构分析技巧
_____many times , but he still couldn't understand it .
2. _____many times , he still couldn't understand it .
A.Having been told B. ToldC. He was told D. Though he had been told
分析：句1. 用连词but 引导并列句子，因此，前面与后句一样也是个
独立句子成分，故选C。 句2. 句中用逗号隔开,且无连词引导，因此，前面不是句子结构，
只是句子的一个成分，故选A，用非谓语动词作状语。
句子结构练习
3. ______to the left , you'll find the post office .
4. If you _____to the left , you'll find the post office .
5. ______to the left , and you'll find the post office .
A. Turning B. To turn C. Turn D. Turned
答案ACC
二. 非谓语动词的逻辑主语分析技巧
确定要选非谓语动词之后，第二步要分析其逻辑主语。非谓语动词虽不能作谓语，但仍具有动词特点，其逻辑上的动作执行者就叫做逻辑主语。非谓语动词作状语时，其逻辑主语须和句子的真正主语一致。若不一致，则须加上自己的逻辑主语。
First ____ to the market, these products enjoyedgreat success.
A. introducing B. introduced C. introduce D. being introduced
分析: 非谓语动词的逻辑主语是: these products,与句子的主语一致, 故选B
1._______no buses , we had to walk home.
2. ______Sunday, I shall have a quiet day at home .
A. There being B. It were C. There were D. It being
分析：句1. 表示“没有公共汽车”，应用“there be”结构，
即逻辑主语是“there”，故选A 。 句2. 同理选D。
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