托福写作要求我们在30分钟内用电脑敲打出不少于300字的作文，这是对考生语言能力的一个考验。在有限的时间内，既要考虑表达的逻辑思路又要兼顾遣词造 句的准确性，虽然评分标准中没有明确说明语法上的扣分点，但过多的语法错误必定会影响得分。今天这一课，就是为考生们整理了在托福写作中常犯的语法错误， *们有则改之无则加勉哦。
一、主谓一致
1. 数上的一致
a) In addition, the academic knowledge itself are moving into a new field……
b) When one have money, he can do what he want to.
c) Joe, together with his friend are going to the beach.
注意：当主语和谓语被其他成分隔开时，一定要先找到主语再确定谓语的单复数。例如：
a) Limping, the horse once considered one of the favorites was taken away.
b) When the auditions left, the executive who had been interviewed was glad.
c) Near the lake, the houses on the road is gorgeous.
d) The problems that are created by environmental contamination are very hard to resolve.
2. 不定代词做主语时的几种情况
a)Some, any, none, more, most 做主语
Some of the money are here.
Most places in my country is beautiful.
※ 这五个词要看其后所跟的名词的单复数而定
b) no one 做主语
On one of my friends are here.
※ no one 后面无论跟什么词，谓语都是单数
c)every, each 修饰名词时
Every dog and cat have paws
Each of these boys are from Sichuan.
※ each, every 后面不管是单数还是复数谓语都用单数
注意：
a)在这些句型中，either…or neither… nor , not only … but also 谓语动词遵循就进原则
b)当and 连接两个或两个以上的主语是谓语动词用单数，但用 along with, in addition to, as well as, together with, including 表并列时，谓语动词的形式视前面的主语而定。
Math, in addition to history and science is a required subject.
c)当动名词短语，句子做主语是谓语用单数
Speaking with your mouth full is impolite.
二、时态语态
1. 时态错误
a) Today, cultures around the world were becoming increasingly similar.
b) It is a good opportunity to teach children how to manage their own money when they were young
c) Allen Iverson, for instance, though he is one of the greatest NBA stars in the history and made a lot of money
注意：除非是在列举过去发生的例子时，议论文中很少使用过去时
2.语态错误
a) The new guideline has made contribution to the rise in the number of archeologists that archaeology jobs are not longer just be found at universities or government agencies.
b) Children who are raise in impoverished(贫穷的) families can generally deal with problems more effectively in their adult years.
c) Hence, this cosmopolitan and cohesive world is provides us a great deal of approaches to learn new stuff.
d) Many students are like studying home economics
注意：一个句子中不能出现两个谓语动词，即be动词和实义动词不能连用，除非表被动语态，或者前面是情态动词，被动语态的动词一定别忘了加-ed或者-d
d) The problems that are created by environmental contamination are very hard to resolve.
3. 不定代词做主语时的几种情况
a)Some, any, none, more, most 做主语
Some of the money are here.
Most places in my country is beautiful.
※ 这五个词要看其后所跟的名词的单复数而定
b)no one 做主语
On one of my friends are here.
※ no one 后面无论跟什么词，谓语都是单数
c)every, each 修饰名词时
Every dog and cat have paws
Each of these boys are from Sichuan.
※ each, every 后面不管是单数还是复数谓语都用单数
注意：
a)在这些句型中，either…or neither… nor , not only … but also 谓语动词遵循就进原则
b)当and 连接两个或两个以上的主语是谓语动词用单数，但用 along with, in addition to, as well as, together with, including 表并列时，谓语动词的形式视前面的主语而定。
Math, in addition to his
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