以下是一些有趣的英语小知识：
1. “Bookkeeper” is the only word in English language with three consecutive double letters.
2. “Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.” is a grammatically correct sentence using only the word “buffalo”.
3. The shortest complete sentence in English is “I am.”
4. The longest word in English is “pneumonoultramicroscopicsilicovolcanoconiosis” which refers to a lung disease caused by inhalation of very fine silica particles.
5. “Dreamt” is the only word in the English language that ends in “mt”.
6. “Queueing” is the only word in the English language that has five consecutive vowels.
7. The word “set” has the most number of definitions in the English language.
8. “A” is the most commonly used letter in the English language.
9. “Ough” can be pronounced in nine different ways in English.