独立写作在语言上要求除了语言多样性之外，还要求考生要尽可能地减少语法错误。但是，人无完人，考生在紧张的考试环境下，会多多少少地犯一些语法错误。那么托福写作常见的语法错误都有哪些呢?一起来看环球教育小编的整理。

　　1.名词单复数：考生在作文中经常会不自觉的就省略复数词尾“s”。

　　错误：A great number of teacher would benefit from government’s funding on increasing teachers’ salary.

　　正确：A great number of teachers would benefit from government’s funding on increasing teachers’ salary.

　　注意：考生一定要清楚可数名词和不可数名词，student，problem等是可数名词;money，water等是不可数名词，不会出现moneys，waters。同时也要注意一些集合名词是不需要加s的，比如people, 如果加了s之后意义会发生变化。

　　2)主谓一致：单数的主语与动词复数形式搭配，或者是复数主语与单数第三人称搭配。。

　　错误：Environmental problems, such as air pollution, is detrimental to public health.

　　正确：Environmental problems, such as air pollution, are detrimental to public health.

　　3)时态不一致：描述一件过去的事情，但是写着写着时态变成了现在时。

　　错误：Mr. Liu and Mr. Zhang were good friends working in one company, but everything changed as a result of rival for a promotion. In order to get promoted, Mr. Liu throw mud at Mr. Zhang by spreading rumors in their colleagues that Mr. Zhang is so means and stubborn that he might deny their colleagues access from promotion, making Mr. Zhang isolated by his colleagues.

　　正确：Mr. Liu and Mr. Zhang were good friends working in one company, but everything changed as a result of rival for a promotion. In order to get promoted, Mr. Liu threw mud at Mr. Zhang by spreading rumors in their colleagues that Mr. Zhang was so means and stubborn that he might deny their colleagues access from promotion, making Mr. Zhang isolated by his colleagues.

　　4)词性误用 将名词、动词、形容词词性搞混，出现误用。

　　错误：Seeing that English is essential for his career, he turned to be initiative to learn the language.

　　正确：Seeing that English is essential for his career, he turned to have considerable initiative to learn the language.

　　5) 介词使用不当

　　错误：Governments should attach importance on improving schools.

　　正确：Governments should attach importance to improving schools.

　　6) 虚拟语气使用错误

　　错误：Had the government not taken effective measures to solve the problems of haze from the very beginning, Beijing would become such a city unsuitable for human beings to live in.

　　正确：Had the government not taken effective measures to solve the problems of haze from the very beginning, Beijing would have become such a city unsuitable for human beings to live in.

　　7)定语从句与强调句混淆

　　错误：It is in this situation where government should take measures to solve the environmental problems. (原句含义为：正是在这种情况下政府应该采取措施解决环境问题。)

　　正确：It is in this situation that government should take measures to solve the environmental problems.