当前课程知识点：主题英语 > 07 MONEY MATTERS > 7.2 Sentence Patterns on Expressing Purposes > 7.2 Sentence Patterns on How to Express Purposes
现在让我们一起讨论看看如何用英语表达“目的”。
一般来说英语中有许多表达“目的”的方式，
如：使用to不定式
这些都可以表达：“我们（某人）为什么做某事”/“（作为结果）某人可以做或者不能做某事”
如：“我们在花园里建了一个泳池，孩子们可以在热天里游泳了。”
那么是否还有其他方式表达“目的”或者“一个行为导致其他行为的发生”呢？
答案是肯定的。
在第二段里有这么一句话：
在这里可以看到…designed to teach sb. about sth.
就是表达一件事情的“目的”。
在“designed”前面的一件事将会导致“to”后面事情的发生。
所以这里的主干结构是：
让我们来使用这个结构。
如当我们讨论“网购的重要性”时，我们可以说：
还可以“教”什么呢？还有其他的“目的”吗？
当然还可以“教”一些内容，如：
“网购时如何省时省力。”
“如何告别费力的搜索。”
“如何通过产品图片和网站介绍进行网购。”
“如何分清网店的信誉度。”
当讨论“理财”时，我们可以说：
“他们对18岁左右的孩子推销特别理财项目，
旨在教他们学会理财和存钱。”
当我们讨论“如何避免过度消费”/“如何控制购物欲”的时候，
我们可以说：“他们对16岁左右的女性推销特别消费项目，
旨在教育她们避免产生过度消费或购物狂行为。”
句型结构是综合写作技巧中的一个重要元素。
它甚至比词汇选择更为重要。
使用不当的词就像漏掉的节拍，而糟糕的句型则是全盘走调，
它会破坏文章的流畅性，使读者困惑不解、无法深入阅读。
句子是有逻辑关系的结构。
句子是最简单的学习文本。
能构建好句型的学生往往能写出最好的作文。
要想学会漂亮的句子，方法之一就是从好句子中借鉴好句型。
然而，要想提高句型写作能力，还需提高思维能力。
一个构造精美的句子不仅需要良好的读写能力，
更需提高思维的质量。
正如勒莫夫说过的那样：
“教学生书写复杂精巧、细致入微的句子，
就是在教他们提高复杂精巧、细致入微的思考能力。”
这节所学到的句型会帮助大家构建句子。
句型构建能迫使学生用一种细致具体的方式来思考文本。
接触更多类似这样的句型结构后，
学生们可以选择最为恰当的一种句型来精确地表述某个概念。
当然学习句型结构仅是学好写作的第一步，
要提高写作水平，还有一大堆的东西要学。
一定记得多多练习！练习、练习、练习！
这会帮助你提高句子写作水平。
仿写优美的句子：手写100个精美的句子，
把句型结构背下来并仔细分析，
反复练习直到能够自由使用。
不要放弃！继续埋头苦干吧！
-1.1 Lexical Chunks Expressing Aims
--1.1 Lexical Chunks Expressing Aims
-1.2 Sentence Patterns for Research
--1.2 Sentence Patterns for Research
-1.3 An Introduction to Essay Writing
--1.3 An Introduction to Essay Writing
-1.4 An Introduction to MOOCs
--1.4 An Introduction to MOOCs
-1.5 Chinese Dragons
-Test 01
-2.1 Lexical Chunks for Dish, Flavor and Cookware
--2.1 Lexical Chunks for Dish, Flavor and Cookware
-2.2 Sentence Patterns for Describing Problems
--2.2 Sentence Patterns for Describing Problems
-2.3 Four Bases for Revising Essays (1): Unity and Support
--2.3 Four Bases for Revising Essays (1): Unity and Support
-2.4 The 8 Great Cuisines of China
--2.4 The 8 Great Cuisines of China
-2.5 Chinese Dumplings
-Test 02
-3.1 Lexical Chunks for Mental Health
--3.1 Lexical Chunks for Mental Health
-3.2 Three Most Common Types of Sentence-skills Errors in Writing
--3.2 Three Most Common Types of Sentence-skills Errors in Writing
-3.3 Point and Support in Essay Writing
--3.3 Point and Support in Essay Writing
-3.4 The Relationship Between Health and Stress
--3.4 The Relationship Between Health and Stress
-3.5 Acupuncture and Other TCM Therapies
--3.5 Acupuncture and Other TCM Therapies
-Test 03
-4.1 Lexical Chunks for Giving Opinions
--4.1 Lexical Chunks for Giving Opinions
-4.2 Dependent-Word Fragments
--4.2 Dependent-Word Fragments
-4.3 Four Bases for Revising Essays (2): Coherence and Sentence Skills
--4.3 Four Bases for Revising Essays (2): Coherence and Sentence Skills
-4.4 Creative Problem Solving
--4.4 Creative Problem Solving
-4.5 Chinese Kung Fu
-Test 04
-5.0 Introduction: Bilingual Education
--5.0 Introduction: Bilingual Education
-5.1 Prefixes Related to Numbers
--5.1 Lexical Learning by Introducing Prefixes Related to Numbers
-5.2 Sentence Patterns for Giving Definitions
--5.2 Sentence Patterns for Giving Definitions
-5.3 How to Give Definitions in Essay Writing
--5.3 How to Give Definitions in Essay Writing
-5.4 The Importance of Language Learning
--5.4 The Importance of Language Learning
-5.5 Chinese Characters
-Test 05
-6.0 Introduction: Love and Marriage
--6.0 Introduction: Love and Marriage
-6.1 Lexical Chunks: Cultural Words Related to Chinese Weddings
--6.1 Lexical Chunks: Cultural Words Related to Chinese Weddings
-6.2 Sentence Pattern: Should Passive Voice be Encouraged in Writing?
--6.2 Sentence Pattern: Should Passive Voice be Encouraged in Writing?
-6.3 How to Write a Supported Opinion Paragraph?
--6.3 How to Write a Supported Opinion Paragraph?
-6.4 Which is Your Idea of Marriage, Love-oriented or Money-oriented?
--6.4 Which is Your Idea of Marriage, Love-oriented or Money-oriented?
-6.5 Chinese Chopsticks
-Test 06
-7.0 Introduction: Budget
-7.1 Lexical Chunks: The Key Word “Deposit”
--7.1 Lexical Chunks: The Key Word “Deposit”
-7.2 Sentence Patterns on Expressing Purposes
--7.2 Sentence Patterns on How to Express Purposes
-7.3 Zooming in Expository Texts
--7.3 Reading and Scaffolding Expository Texts
-7.4 Spend Less? Earn More? Which Is the Better Path?
--7.4 Spend Less? Earn More? Which Is the Better Path?
-7.5 Chinese Seal
-Test 07
-8.1 Lexical Chunks for Space Exploration
--8.1 Lexical Chunks for Space Exploration
-8.2 Sentence Pattern: There be
--8.2 Sentence Pattern: There be
-8.3 Superordinate and Subordinate in Writing
--8.3 Superordinate and Subordinate in Writing
-8.4 Critical Thinking: Why Do We Explore Space?
--8.4 Critical Thinking: Why Do We Explore Space?
-8.5 Chinese Era
-Test 08
-9.1 Lexical Chunks for Immigration
--9.1 Lexical Chunks for Immigration
-9.2 Sentence Logic: Negation
--9.2 Sentence Logic: Negation
-9.3 Exemplification in Writing
--9.3 Exemplification in Writing
-9.4 Critical Thinking: Pros and Cons of Multiculturalism
--9.4 Critical Thinking: Pros and Cons of Multiculturalism
-9.5 Chinese Silk
-Test 09
-10.1 Lexical Chunks for Disasters
--10.1 Lexical Chunks for Disasters
-10.2 Sentence Writing: Inanimate Subject
--10.2 Sentence Writing: Inanimate Subject
-10.3 Essay Writing: A Drawing Opening
--10.3 Essay Writing: A Drawing Opening
-10.4 Critical Thinking: Humanity Vs Nature
--10.4 Critical Thinking: Humanity Vs Nature
-10.5 Chinese Classical Garden
--10.5 Chinese Classical Garden
-Test 10
-11.0 Introduction: Reading habits
--11.0 Introduction: Reading habits
-11.1 Lexical Chunks for Favorite Readings
--11.1 Lexical Chunks for Favorite Readings
-11.2 Sentence Patterns for Sharing Reading Experience
--11.2 Sentence Patterns for Sharing Reading Experience
-11.3 From Assumption to Opinion in Essay Writing
--11.3 From Assumption to Opinion in Essay Writing
-11.4 Appreciation of “On Studies” by Francis Bacon
--11.4 Appreciation of “On Studies” by Francis Bacon
-11.5 Four Treasures of the Study
--11.5 Four Treasures of the Study
-Test 11
-12.1 Lexical Chunks for Paraphrasing Advantages & Disadvantages
--12.1 Lexical Chunks for Paraphrasing Advantages & Disadvantages
-12.2 Sentence Patterns for Agreement & Disagreement
--12.2 Sentence Patterns for Agreement & Disagreement
-12.3 Presenting Different Ideas in Essay Writing
--12.3 Presenting Different Ideas in Essay Writing
-12.4 Debating: Lingua Franca--Beneficial or Detrimental?
--12.4 Debating: Lingua Franca--Beneficial or Detrimental?
-12.5 Chinese Antithetical Couplets
--12.5 Chinese Antithetical Couplets
-Test 12
-13.0 Introduction: Unforgettable Events
--13.0 Introduction: Unforgettable Events
-13.1 Lexical Learning by Analyzing Prefix and Suffix
--13.1 Lexical Learning by Analyzing Prefix and Suffix
-13.2 Sentence Patterns for Describing Unforgettable Events
--13.2 Sentence Patterns for Describing Unforgettable Events
-13.3 Flashback in Story Writing
--13.3 Flashback When Writing a Story
-13.4 Interpreting Competitive Culture
--13.4 Interpreting Competitive Culture
-13.5 Chinese Weiqi
-Test 13
-14.1 How do you feel about extreme sports? List your reasons.
--14.1 Lexical Chunks for Extreme Sports
-14.2 How to Use Parallelism
-14.3 How to Write a Concluding Paragraph
--14.3 How to Write a Concluding Paragraph
-14.4 Taking Risks
-14.5 Peking Opera
-Test 14
-15.1 Lexical Chunks for the Relationship between Happiness and Happiness Genes
--15.1 Lexical Chunks for the Relationship between Happiness and Happiness Genes
-15.2 How to Expand the Basic Sentence with Participles and Participle Phrases
--15.2 How to Expand the Basic Sentence with Participles and Participle Phrases
-15.3 Comparison and Contrast
--15.3 Comparison and Contrast
-15.4 The Road to Happiness
-15.5 Chinese Taoism
-Test 15
-16.1 Lexical Chunks for the Linguistic Difference between Men and Women
--16.1 Lexical Chunks for the Linguistic Difference between Men and Women
-16.2 How to Vary Sentences by Using Adverb Modifiers
--16.2 How to Vary Sentences by Using Adverb Modifiers
-16.3 How to Write an Introductory Paragraph
--16.3 How to Write an Introductory Paragraph
-16.4 How to Avoid Misunderstanding between Men and Women
--16.4 How to Avoid Misunderstanding between Men and Women
-16.5 Chinese Idioms
-Test 16
-Final Test
