四级作文类型Argument---议论型作文from others' eyes 2000 年6 月/ my view 1998 年6 月/ A & D 1996 年1 月Explain---解释说明性作文hot issue 沙尘暴sand storm 96 年6 月98 年1 月Graph & Picture 四六级从来没有考过图话题02 年6 月名言警句题Practice makes perfect. Haste makes waste.Information---通知型作文（书信）02 年1 月Description---描述型作文04 年6 月写好主题句主题句：放在段首的，反映段落中心思想的，起引导和限制作用的句子。
主题句的要求主题句要有明确的导向。
The 'Transformers' is very interesting. I do moning exercise every day.主题句越具体越好。
People try to improve their health. People try many ways to improve their health.主题句越漂亮越好。
不能有错，句型要漂亮，句式多样化。
但是物极必反。
句法和句型：写出最基本的正确的句子你就可以拿到8-11 分的档What is the most important factor of a sentence for the first step? Correct!(Right) or (Wrong) He has three sons, most of them are middle school students.☆五大简单句基本句型：主+谓；主+谓+宾；主+谓+宾+补；主+谓+宾+宾；主+系+表☆如何在正确写出短句的基础上把句子加长？方法一：写并列句(compound sentence )并列句：两个或者两个以上的简单句通过连词连接起来的句子。
方法二：写复合句(complex sentence )三种针对上文错句的改法：He has three sons. Most of them are middle school students.He has three sons, and most of them are middle school students.He has three sons, most of whom are middle school students.复合句的概念引入定语从句状语从句名词性从句：主语从句宾语从句表语从句同位语从句X 语从句即为句子做X 语句子做主语→主语从句你所说的非常重要。
________________ is very important.What you said is very important.句子做表语→表语从句你所说的正是我想要知道的。
What you said is what I wanted.1、_______________(他们为什么离开家乡去云南) is still a secret.Why they left their hometown for Yunnan2. _______________(这么做是故意的) became obvious.That this was done on purpose3. It is none of your business _______________(玛丽与谁订婚).whom Mary is engaged to4.Finally, the workers got an answer _______________(政府做不了什么事来提高他们工资).that the Government could do nothing to raise their wages.强调句和倒装句的写法It is（was）＋被强调的部分＋that（who）＋原句其它部分Tom met me on the street the day before yesterday.强调TomIt was Tom who met me on the street the day before yesterday.强调时间It was the day before yesterday thatTom met me on the street.强调地点It was on the street that Tom met me the day before yesterday._______________(正是Jefferson 写下了)the Declaration of Independence.It was Jefferson who wrote_______________(正是因为水涨了)we could not cross the river.It was because the water had risen that_______________(人们听见正是Jim 这个无情的家伙) shouting at his mother in the dead of night.It was Jim, the heartless fellow, who was heardWhen you badly twist your ankle on the playground, your friends will send you to the hospital nearby, give your parents a callimmediately and take care of you without any complaint.It is your friends who will send you to the hospital nearby, give your parents a call immediately and take care of you withoutany complaint when you badly twist your ankle on the playground.When you fail in an very important exam, your friend will not only help you pass the exam successfully but also stand rightbeside you and encourage you.When your parents are in a quarrel, your friend will do whatever he can to help comfort you and tell you that no matter whathappens he will support you firmly and constantly.句式训练－倒装句（必杀）归纳总结:Only + 句首状语Only then _______________(那个医生才意识到他的病人需要手术).did the doctor realize that his patient needed surgery.Only when you adjust down your price _______________(我们才能做成这笔买卖).can we conclude the businessOnly under special circumstance, such as wedding or celebrations, do we drink wine.归纳总结：否定副词位于句首No sooner had Anne arrived _______________(就生病了).than she fell ill.Scarcely had she fallen asleep _______________(一阵敲门声就把她吵醒).when a knock at the door awakened her推荐句型A small city does not have as much excitement as a big city in general.改：Seldom/ hardly / scarcely/ does a smalltown have as much excitement as a big city.A new factory would contaminate the living space of most of our city’sinhabitants to some degree. 改：Seldom can a factory be established without contaminating the living space of our city’s inhabitants to some degree.二大句式改变一、more and more1、More and more people who become more and more fortunate can afford a car.替换：growing number of / increasinglyThe growing number of people who become increasingly rich can now afford a car2、More and more teachers are needed with the development of economy.替换：改换句式There is an increasing demand for teachers with the development of economy.3、More and more teenagers smoke cigarettes in recent years.替换：on the riseTeenage smoking is on the rise in recent years.二、I People WePeople throughout the country have greatly demanded all kinds of nutritious foods.改：All kinds of nutritious or organic foods are increasingly demanded throughout the country.People should realize the dreadful consequences of taking up the smoking habit.改：Realization to the dreadful consequences of keeping smoking should be a general awareness.We certainly should make great efforts in our study.改：Great efforts are always necessitated in our academic performance.引出话题话题的常用词：question, problem, issueAlong with the advance of the society , more and more problems are brought to our attention, one of which is that....随着社会的不断发展，出现了越来越多的问题，其中之一便是____________。