不定式的用法.ppt
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不定式用法
如何复wenku.baidu.com真题
▪ 阅读（除研究解题技巧外），精读一篇文章 做到以下几步：
▪ 1、文章总体结构、大意 ▪ 2、文章中生词、生句、进行长难句分析 ▪ 3、文章翻译。读一句英文，能跟着很快翻译
出来。 ▪ 4、掌握重要句型、词组、词汇，运用于写作
（能融会贯通）
▪ This means that a DNA database may have a lot of data from some regions and not others, so a person’s test results may differ depending on the company that processes the results.
结尾：In brief/To sum up, I strongly believe…/I contend that…
▪ Basing on the points made above, I am fully convinced that…
▪ “paper plates” is to “china” as “functional” is to “artistic”
▪ 分词短语做状语
▪ 这意味着DNA数据库也许有许多来自某些地区而不 是其他地区的数据，因此，一个人的测试结果也许 因为处理结果的公司不同而不同。
▪ To take this approach to the New Englanders normally means to start with the Puritans’ theological innovations and their distinctive ideas about the church— important subjects that we may not neglect.
▪ At present, Internet is one of the most efficient media which are used for interpersonal communication.
▪ There is no denying that Internet is currently one of the most efficient media used for interpersonal communication.
→ It is important for us to learn foreign languages.
Can you arrange for a car to take us there?
不定式的语态
（1）不定式所修饰的名词与不定式在逻辑上构成主谓 关系时，不定式用主动语态。
你有开门的钥匙吗？ key unlock the door Have you got a key to unlock the door?
主动语态
被动语态
一般式
to write
to be written
进行式
to be writing
完成式 完成进行式
to have written
to have been writing
to have been written
一.解释
(1)不定式的一般形式所表示的动作，通常与谓语的动 作（状态）同时（或几乎同时）发生，或是在它之 后发生。
▪ 我们机械地按照习惯行事：将大脑设定为自 动导航，并无意识地进入常规惯例带来的舒 适的放松状态。
网络目前是用于人际交流的最高效媒介之一
▪ Television is one of the means by which these feelings are created and conveyed.
▪ 不久前，由于美国进入了经济衰退时期并且 日本处于前泡沫的巅峰时期，美国劳动力被 嘲笑缺乏教育，以及是导致美国不良经济业 绩的主要原因之一。
▪ We reach for them (habits) mindlessly, setting our brains on auto-pilot and relaxing into the unconscious comfort of familiar routine. (分词短语做伴随状语)
I want to have a holiday as soon as possible .
(2)如果谓语表示的动作（情况）发生时，不定式表 示的动作正在进行，这时不定式就要用进行式。
They pretended to be studying when the teacher came in.
(3)如果不定式的动作发生在谓语动词之前，就要 用完成式。
I`m sorry to have kept you waiting.
4）动词不定式的复合结构：for + 名词或 代词宾格构成动词不定式的复合结构。 For 所跟名词或代词是逻辑上的主语， 动词不定式是逻辑上的谓语动词。
For us to learn foreign languages is important.
▪ 动词不定式做主语和宾语 ▪ 用这种方法去探讨新英格兰人一般意味着从
清教徒们的神学创新及其关于教堂的鲜明观 点入手——我们不会忽略的重要主题。
▪ Not long ago, with the country entering a recession and Japan at its pre-bubble peak, the U.S, workforce was derided as poorly educated and one of the primary causes of the poor U.S. economic performance. (独立 主格结构)
▪ That _____is to human being as sunshine is to flower is universally accepted.
不定式在句子中充当什么成分？
性质 主语 表语 宾语 宾补 定语 状语
√ √ √ √ √ √ 不定 n. a.
式 adv.
不定式的时态和语态的基本形式： （以write为例）
如何复wenku.baidu.com真题
▪ 阅读（除研究解题技巧外），精读一篇文章 做到以下几步：
▪ 1、文章总体结构、大意 ▪ 2、文章中生词、生句、进行长难句分析 ▪ 3、文章翻译。读一句英文，能跟着很快翻译
出来。 ▪ 4、掌握重要句型、词组、词汇，运用于写作
（能融会贯通）
▪ This means that a DNA database may have a lot of data from some regions and not others, so a person’s test results may differ depending on the company that processes the results.
结尾：In brief/To sum up, I strongly believe…/I contend that…
▪ Basing on the points made above, I am fully convinced that…
▪ “paper plates” is to “china” as “functional” is to “artistic”
▪ 分词短语做状语
▪ 这意味着DNA数据库也许有许多来自某些地区而不 是其他地区的数据，因此，一个人的测试结果也许 因为处理结果的公司不同而不同。
▪ To take this approach to the New Englanders normally means to start with the Puritans’ theological innovations and their distinctive ideas about the church— important subjects that we may not neglect.
▪ At present, Internet is one of the most efficient media which are used for interpersonal communication.
▪ There is no denying that Internet is currently one of the most efficient media used for interpersonal communication.
→ It is important for us to learn foreign languages.
Can you arrange for a car to take us there?
不定式的语态
（1）不定式所修饰的名词与不定式在逻辑上构成主谓 关系时，不定式用主动语态。
你有开门的钥匙吗？ key unlock the door Have you got a key to unlock the door?
主动语态
被动语态
一般式
to write
to be written
进行式
to be writing
完成式 完成进行式
to have written
to have been writing
to have been written
一.解释
(1)不定式的一般形式所表示的动作，通常与谓语的动 作（状态）同时（或几乎同时）发生，或是在它之 后发生。
▪ 我们机械地按照习惯行事：将大脑设定为自 动导航，并无意识地进入常规惯例带来的舒 适的放松状态。
网络目前是用于人际交流的最高效媒介之一
▪ Television is one of the means by which these feelings are created and conveyed.
▪ 不久前，由于美国进入了经济衰退时期并且 日本处于前泡沫的巅峰时期，美国劳动力被 嘲笑缺乏教育，以及是导致美国不良经济业 绩的主要原因之一。
▪ We reach for them (habits) mindlessly, setting our brains on auto-pilot and relaxing into the unconscious comfort of familiar routine. (分词短语做伴随状语)
I want to have a holiday as soon as possible .
(2)如果谓语表示的动作（情况）发生时，不定式表 示的动作正在进行，这时不定式就要用进行式。
They pretended to be studying when the teacher came in.
(3)如果不定式的动作发生在谓语动词之前，就要 用完成式。
I`m sorry to have kept you waiting.
4）动词不定式的复合结构：for + 名词或 代词宾格构成动词不定式的复合结构。 For 所跟名词或代词是逻辑上的主语， 动词不定式是逻辑上的谓语动词。
For us to learn foreign languages is important.
▪ 动词不定式做主语和宾语 ▪ 用这种方法去探讨新英格兰人一般意味着从
清教徒们的神学创新及其关于教堂的鲜明观 点入手——我们不会忽略的重要主题。
▪ Not long ago, with the country entering a recession and Japan at its pre-bubble peak, the U.S, workforce was derided as poorly educated and one of the primary causes of the poor U.S. economic performance. (独立 主格结构)
▪ That _____is to human being as sunshine is to flower is universally accepted.
不定式在句子中充当什么成分？
性质 主语 表语 宾语 宾补 定语 状语
√ √ √ √ √ √ 不定 n. a.
式 adv.
不定式的时态和语态的基本形式： （以write为例）