二、并列句
并列句是由两个或更多个并列的简单句构成的句子。各分句 间用连词、逗号或分号连接。
三、复合句
复合句是由一个主句和一个或多个从句构成的句子。 １ 名词性从句（主语、宾语、表语、同位语从句） ２ 形容词性从句（即定语从句） ３ 副词性从句（即状语从句－－时间、地点、条件、目的、 结果、原因、比较、方式和让步状语从句）
Mr. Green is a tall man, who wears a pair of thick glasses. Mr. Green is a tall man with a pair of thick glasses . (介词短语做伴随状语)
I went for a row with another boy. He was a little younger than myself. We were more than a mile from the shore. We decided to have a swim. We pulled off our clothes. We jumped into the water. We swam about in great delight. I went for a row with another boy who was a little younger than myself. When we were more than a mile from the shore, we decided to have a swim. We pulled off our clothes, jumped into the water, and swam about in great delight.
2.尽管问题很难,他们还是把它做出来了。 2.尽管问题很难,他们还是把它做出来了。 尽管问题很难
Although the problem was difficult(complicated), they were able to work it out. The problem being complicated, they were able to work it out . Complicated as the problem was, they were able to solve it .
练习方法三： 练习方法三：一句多译 这本书花了我300 300元 1. 这本书花了我300元。 I spent 300 yuan on the book. I paid 300 yuan for the book. The price of the book is 300 yuan. It costs me 300 yuan to buy the book.
练习写好句子的方法一： 练习写好句子的方法一：合并句子
１ It was early in the morning. Mr. Smith was in his garden. He was watering flowers. Early in the morning, Mr. Smith was watering flowers in his garden. ２A girl was crossing a road. The girl was pretty. The road was wide. A pretty girl was crossing a wide road.
写好句子的方法二： 写好句子的方法二：改写句子
1) 主动句与被动句
1. The government told the public that they must try their best to develop the city. The public were told that they must try their best to develop the city. 2. People consider Lincoln to be a great leader and a wise man. Lincoln is considered to be a great leader and a wise man.
3) 状语从句
1. The small boy chose a big apple. He couldn’t eat it up. The small boy chose such a big apple that he couldn’t eat it up. 2. He took a taxi. He could catch up with his family. He took a taxi so that he could catch up with his family.
5) 非谓语动词
When he saw the boys fighting, he hurried up to stop them. (Seeing …, he….) If we were given more time, we could do the work much better. (Given …, we….)
2) 定语从句 1.The poor boy was brought up by his neighbors. His parents died in the earthquake. The poor boy, whose parents died in the earthquake, was brought up by his neighbors. 2.The lake is seriously polluted. There are many dead fish in it. The lake, in which there are many dead fish, is seriously polluted.
练习写好句子的方法一：合并句子 It was early in the morning. Mr. Smith was in his garden. He was watering flowers. Early in the morning, Mr. Smith was watering flowers in his garden. A girl was crossing a roa
They tried their best to open the chest . They found their treasure gone. They tried their best to open the chest, only to find their treasure gone. They took the baby to the hospital. The baby was sleeping . They took the sleeping boy to the hospital. Unluckily , his car was knocked down by a tree. The tree had fallen down. Unluckily , his car was knocked down by a fallen tree.
①Every year, many college students graduate. ②They all want to find jobs. ③These jobs can give them a lot of money. ④This is impossible Every year, quite a few college students graduate from universities and institutes. They all want to find jobs, which they hope can offer them handsome salaries, but this is hardly possible.
2) 避免粘连句 ) 避免粘连句（run-on sentences） Reading books is one of the greatly pleasures of our lives, through reading good books we Can add to our knowledge and broaden our view. Reading books is one of the greatly pleasures of our lives, because through reading good books we Can add to our knowledge and broaden our view.
4)倒装句 4)倒装句 1. They could start to work only when the leading actor came. Only when the leading actor came could they start to work. 2. Soon they came to a hill. A strange tree stood on the top of the hill. Soon they came to a hill ; on the top stood a strange tree.
6)
强调句
ห้องสมุดไป่ตู้
Because we are now in senior grade 3, more students study into night to get a higher score. It is because we are now in senior Grade 3 that more students study into night to get a higher score.
Mr. Johnson will leave our school．He is a teacher of history． Mr．Johnson，a teacher of history， will leave our school．（用同位语代替一个句子） The enemy surrendered themselves．They came to us with a white flag． The enemy surrendered themselves， coming to us with a white flag.（用分词代替句子）