语法规则中并没有规定句子以介词结尾是错误的。
《柯林斯高阶英汉双解学习词典》
His English offends against the rules of grammar.
他的英语不符合语法规则.
She has mastered a foreign language by aid of a grammar and dictionary.
她借助语法书和词典掌握了一门外语.
《现代汉英综合大词典》
Modern word processors usually have spelling checkers and even grammar checkers.
现代文字处理器通常带有拼写检查功能,有的还有语法检查功能。
《柯林斯高阶英汉双解学习词典》
