文档介绍：Pre-class Quiz(课前检测)
1. __________ hard and you will succeed.
A. To work B. Working
C. Work D. Worked

(平行题)__________ hard ， you will succeed.
A. To work B. Working
C. Work D. Worked

(平行题)__________ ， you will work hard .
A. To succeed B. Succeeding
C. Succeeded D. Succeed
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Pre-class Quiz(课前检测)
Bats are surprisingly long-lived creatures, some ____ a life span(持续时间) of around 20 years.
A. having B had C. have D. to have
Bats are surprisingly long-lived creatures, and some ____ a life span(持续时间) of around 20 years.
A. having B had C. have D. to have
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Teaching Aims:
1. Review the non-finite verb forms.
2. Use what you have reviewed to do some exercises.
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非谓语动词是语法填空的必考考点，每年高考至少有1道题。不仅如此，掌握非谓语动词的基本用法，对增强书面表达的文采和提高阅读理解能力都有明显的作用。
首先，我们回顾一下非谓语动词的语法的构成及功能：
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非谓语动词的构成：
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现在，我们简要回顾其主要考点：
非谓语动词功能
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考点1：作主语
一般说来，在表示比较抽象的一般行为时多用动名词；在表示具体的动作，特别是将来的动作时，多用不定式。
________ after supper is a good habit.
A. Walking B. Walks
C. To walking D. Walked
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（11北京卷,25）It’s important for the figures
______regularly.
A. to be updated B. to have been updated
C. to update D. to have updated
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考点2：作表语
(1)动名词和不定式作表语说明主语的具体内容。
Their job is building houses. (抽象、经常的动作)
Their work is to build another bridge
across the river. (具体、要做的动作)
(2) 分词作表语则说明主语的性质，-ing分词表示“令人……的(事物)”；-ed分词表示“(人)感到……的”。
I was moved by the touching story.
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