關(guān)于雅思寫作來說，當你現(xiàn)已不再為那些所謂的高分詞匯加分全能模板而傻傻地心動，不再為一堆的初級語法錯誤呆若木雞時，你應(yīng)該現(xiàn)已跨過了雅思寫作提升的初中階，在向著高階的雅思寫作邁進。

這個時分，行文的邏輯嚴密性就非常要害了。有理有據(jù)，不過不少剛剛好地把你的觀念，論據(jù)串聯(lián)表達出來，展示一個雅思寫作高手的素質(zhì)。本文將從表達邏輯常用的一種關(guān)系-因果關(guān)系入手，來詳細敘述怎樣用多樣的句型寫出有邏輯的文字。

雅思寫作高分句型之1. 雙名詞從句式

Another reason why people from the countryside transfer to the city is because of the modern conveniences that city living brings.

解析：適用于引入原因(帶標題要害詞)

句型結(jié)構(gòu)：主語從句+ is because of the 原因 +賓語從句 (包含主從，賓從兩個名詞性從句)

例句中，people from the countryside transfer to the city 是對標題要害信息的復(fù)述，句型中“原因”部分運用一個名詞或名詞詞組。

Exercise: causes of congestion in megacities

雅思寫作高分句型之2. 三組P+O式

Today more and more people rely on cars instead of walking, have less physical demands at work and prefer inactive leisure activities. This results in burning less calories and gaining weight.

解析：適用于解說句，闡明三種詳細原因或定論段總結(jié)原因和成果

句型結(jié)構(gòu)：主語+ P.O.1 , P.O.2 and P.O.3 . This results in doing sth.1 and doing sth.2.

例句中，三組P+O (謂語+賓語)是平行結(jié)構(gòu)，第二句的”This” 指代三組P+O; doing sth.1 是result，doing sth.2是ultimate result。

Exercise: causes of overpopulation

雅思寫作高分句型之3. “原因+細化方面解說” 式

Effluents are another by-product of industries which poses threat to the environment; leather and tanning industries, petroleum industries and chemical manufacturing industries create major waste products which are released directly into nearby streams without treatment, creating river pollution and causing harm to aquatic life.

解析：適用于闡明一個原因(觀點)后緊接著把這個原因的幾個方面詳細化論說。

句型結(jié)構(gòu)：原因 is another by-product of … which poses threat to 主題詞; 詳細方面1，詳細方面2 and 詳細方面3 create … which are V+ed ….without…, V+ing …..to …

例句中，which are…的部分是定語從句，Ving…to…對錯謂語用法。

Exercise: cyber crime

雅思寫作高分句型之4. X(root cause), Y(cause), Z(result)式

Some people believe that global warming is a result of burning fossil fuels, as this causes increased carbon dioxide in the atmosphere.

解析: 這里咱們把構(gòu)成global warming (result)的原因分為burning fossil fuels(root cause)和increased carbon dioxide(cause), 原因和根本原因，然后用合適的句式安排起來，使得邏輯論證層次更豐厚。

句型結(jié)構(gòu)： Some people believe that …(result) is a result of … (root cause), as this causes ….(cause).

詳細的句式安排還可以是以下五種，R(result), C(cause), RC (root cause):

ü (R) has been directly affected by (RC), as this allows for (C).

ü As a result of (RC) leading to (C), (R) has been possible.

ü (RC), thus allowing for (C), has resulted in (R).

ü (RC) results in (C), which in turn leads to (R).

ü Given (RC), it follows that (C) would mean (R)

Exercise: cause and root cause of obesity

雅思寫作高分句型之5. “雙非謂語” 結(jié)構(gòu)

Air pollution resulting from the factory and vehicle emission poses serious health concerns, considering the irritation of the eyes, nose, and throat, as well as increased risk of heart attack.

解析：把問題的原因和詳細成果都用非謂語方式表現(xiàn)，主語只說要害詞構(gòu)成問題(概括性的名詞)，即air pollution poses serious health concerns.

句型結(jié)構(gòu)：要害詞 resulting from… and … poses serious …concerns, considering … as well as…

例句中，描繪air pollution 的構(gòu)成原因部分resulting from和構(gòu)成的健康問題詳細包含什么considering都運用的對錯謂語方式。

Exercise: cause and effect of social networking

句型雖好，可不要貪心。詳細寫作時并不是雜亂句越多越好，一篇文章頂用1-2個這樣的邏輯句型就可以，大多數(shù)還是要運用根底句型，邏輯明晰，精確表達更重要。

雅思寫作高分句型答案:

This is only a possible version; you can create other correct sentences with the same structure

Exercise 1: causes of congestion in megacities

The reason why traffic congestion in megacities is increasing is because of the excessive growth of vehicle numbers that growing population brings.

Exercise 2: causes of overpopulation

Today, the advanced science have offered better medical facilities, promoted fertility treatment, and brought down death rate. This results in increasing population growth and becoming overpopulated gradually.

Exercise 3: cyber crime

Cyber-crime is another by-product of technology advancement which poses threat to the social security; internet fraud, online piracy and spread of violent and pornographic content create great risks which are available easily on the web without screening, causing harm to the social order.

Exercise 4: cause and root cause of obesity

Some people believe that obesity is a result of inactive life, as this causes less exercise and over eating.

Exercise 5: cause and effect of social media

Development of social networking resulting from technological advancement and fast-paced modern life poses serious social concerns, considering gradually alienated relationship between people, as well as deteriorated interpersonal communication skills.