GMAT高频语法考点之主谓一致

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主谓一致考点在出题时考到的概率相较于其他考点可能比较小，但是从正确率上面来说，主谓一致考点题的正确率相较于其他常出考点题型还要大一些。首先我们要搞懂，主谓一致究竟是什么。

主谓一致即谓语动词在人称和数上要和主语保持一致，它有三个原则：语法一致原则，意义一致原则和就近原则，语法一致即谓语动词在单复数形式上要和主语保持一致，意义一致就是谓语动词要和主语意义上的单复数保持一致，就近一致就是谓语动词要和靠近它的主语部分保持一致。如果能够弄清楚主谓一致的考察方向，那么做题的时候就能够有一个明确的思路。

举个例子：
The 32 species that make up the dolphin family are closely related to whales and in fact include the animal known as the killer whale, which can grow to be 30 feet long and is famous for its aggressive hunting pods.
A.include the animal known as the killer whale, which can grow to be 30 feet long and is
B.include the animal known as the killer whale, growing as big as 30 feet long and
C.include the animal known as the killer whale, growing up to 30 feet long and being
D.includes the animal known as the killer whale, which can grow as big as 30 feet long and is
E.includes the animal known as the killer whale, which can grow to be 30 feet long and it is
首先我们来拆分一下句子，32 species是主语，that make up the dolphin family是定语从句，用来修饰先行词，and则是并列关系，我们把定语从句和and去掉，全文也就变成了The 32 species in fact include the animal known as the killer whale, which can grow to be 30 feet long and is famous for its aggressive hunting pods.
所以D和E选项可以排除了，然后我们看B和C选项，两个都有growing，在这里growing是不合适的，因为growing做伴随状语，是修饰谓语动词include并且跟着主语32 species来的，而且这两个选项里as big as和long重复，being+adj.错误，最后只剩A选项了，A选项也确实是对的。

其实主谓一致还是需要细心，而且要多做题，题目刷多了，遇到这样类型的考题就能够快速反应过来，去拆分句子，分析句子结构。