许多同学觉得托福口语中不需要太过关心语法问题，毕竟口语有些口误很正常。这种想法其实就有点高估考官对口语中语法问题的容忍程度了。一些比较常见低级的语法问题其实也是会导致口语被扣分的，下面小编会逐一盘点这些问题。
托福口语常见扣分语法现象：主谓一致
以下是学生课上答题的答案，大家能看出来这个同学的答案哪里错了?
Imagine that a guy drive along the high way where have a lot of billboards advertising cars. One billboard advertise a car called panther. This guy drive by, but he don’t notice that. If you ask him later to name an animal that start with letter “P”. Instead of saying pig, he say panther. He have no conscious memory about the billboard, but the billboard had an effect on him.
正确答案是：
Imagine that a guy driveS along the high way where HAS a lot of billboards advertising cars. One billboard advertiseS a car called panther. This guy driveS by, but he DOESN’T notice that. If you ask him later to name an animal that startS with letter “P”. Instead of saying pig, he sayS panther. He HAS no conscious memory about the billboard, but the billboard had an effect on him.
错误原因：
主语是第三人称时，谓语还是原型，并没有变形。其实，除了主语是第三人称时谓语要做第三人称单数的变形，当主语是名词性从句，动词不定式，和动名词时，谓语也要用第三人称单数。
托福口语常见扣分语法现象：时态一致
过去时的使用是时态使用中较为简单的一种。可是，要做到在答题时需要使用过去时的时候都记得要使用过去时却没那么容易。同学在答题时会把注意力集中到语言的组织上，无暇顾及时态，所以常常会出现时态的混用。
请大家看看下面这位同学的答案有什么问题：
I went out to a movie yesterday, and I watch Smurfs 2. After the movie, I had dinner with friends.
这个同学描述的是昨天做的事情。前面记得用过去时，说着说着，变成了一般现在时，到最后又变回了过去时。
正确答案：
I went out to a movie yesterday, and I watchED Smurfs 2. After the movie, I had dinner with friends.
托福口语常见扣分语法现象：人称一致
人称一致问题是同学在答托福Task5的时候惯犯的一个错误。Task5是学生困难和解决题，一男一女进行对话。对话中一个同学叙述自己遇到的问题，另外一个同学提出解决方案，题目要求是复述学生的困难和解决方案等。学生答题时一会儿用she,一会儿用he, 无法自拔。
我们来看看下面这个同学是怎么答题的：
In the conversation, the man has a problem that he forgot his paper home, but today is the due date. He has two options. First, she can drive back to get his paper. If he hurries, she can come back before the class is over. Second, he can e-mail the paper to her professor later, but...
这篇对话描述的是一个男生同学遇到的问题以及他可能选择的解决方案有哪些。可是这位答题的同学开头用的是he, 后面就不断的蹦出了she.
为什么会出现这种现象呢?在汉语中不管是“他”还是“她”，发音是一样的。我们从来不会说“男他”，“女她”。导致我们在说英语的时候总是把he,she混淆。
正确答案：
In the conversation, the man has a problem that he forgot his paper home, but today is the due date. He has two options. First, he can drive back to get his paper. If he hurries, he can come back before the class is over. Second, he can e-mail the paper to his professor later, but...
托福口语常见扣分语法现象：名词复数
在托福口语答题中使用到可数名词时要么前面加“the”表特指，要么前面加“a”表个别，要么后面加“s”表一群。可同学答题时往往把可数名词孤零零放在那儿，什么也不加。
我们看看下面这个同学是怎么答题的：
Pronghorn live in North America. They run super fast. Why do they run fast? Long time ago, lion lived in North America, chase and prey pronghorns. Lion are faster than other predators today. Now, lion are extinct. They are no longer predator for pronghorn. But back then, pronghorns’ speed was critical to their survival.
答案中所加下划线的部分都是可数名词，后面都要加“s”.
正确答案：
Pronghorns live in North America. They run super fast. Why do they run fast? Long time ago, lions lived in North America, chase and prey pronghorns. Lions are faster than other predators today. Now, lions are extinct. They are no longer predators for pronghorn. But back then, pronghorns’ speed was critical to their survival.
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