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　　托福考生在写作文时不注意细节的情况不在少数，其中有一种很容易导致扣分的问题就是病句。这些句子不仅影响考官的阅读体验，也会让文章意思的表述出现问题。如何才能避免在托福写作中写出病句?下面就来为大家具体分析。
　　托福写作3大类病句写法列举
　　托福写作中的句子容易出现三个问题：一是使用破碎句，二是使用接连句，三是句子连接不正确。
　　1. 破碎句
　　所谓破碎句，就是句子不完整，通常是没有谓语(或者说谓语是动词的非谓语形式，如分词)，或者是从句单独成句。
　　破碎句：She singing alone. (无谓语，singing是现在分词)
　　正确句：She is singing alone.
　　破碎句：He did not come. Because he was sick. (从句单独成句)
　　正确句：He did not come because he was sick.
　　2. 接连句
　　所谓接连据，就是两个句子直接连在一起，既未使用连词，也未使用正确的标点符号。
　　接连句: Professionals such as lawyers or accountants usually work longer hours thanfactory workers they have greater freedom in planning their time.
　　正确句一: Professionals such as lawyers or accountants usually work longer hours thanfactory workers. However, they have greater freedom in planning their time.
　　正确句二: Professionals such as lawyers or accountants usually work longer hours than factory workers; however, they have greater freedom in planning their time.
　　3. 句子连接不正确
　　所谓托福写作句子连接不正确，就是两个独立的句子之间以逗号连接，这是不合英语语法的。正确的做法是以连词、分号、冒号、句号等连接两个句子。
　　不正确句: Breaking chalk into two pieces is a physical change, there is no change in the composition of the chalk.
　　正确句：Breaking chalk into two pieces is a physical change, so there is no change in the composition of the chalk.