1. The most common letter in English is "e".

2. The most common consonant in English is "r", followed by "t".

3. Only two English words in current use end in "-gry". They are "angry" and "hungry".

4. The word "bookkeeper" (along with its associate "bookkeeping") is the only unhyphenated English word with three consecutive double letters. Other such words, like "sweet-toothed", require a hyphen to be readily readable.

5. The word "triskaidekaphobia" means "extreme fear of the number 13". This superstition is related to "paraskevidekatriaphobia", which means "fear of Friday the 13th".

6. More English words begin with the letter "s" than with any other letter.

7. A preposition is always followed by a noun (ie noun, proper noun, pronoun, noun group, gerund).

8. The word "uncopyrightable" is the longest English word in normal use that contains no letter more than once.

9.A sentence that contains all 26 letters of the alphabet is called a "pangram".

10. The following sentence contains all 26 letters of the alphabet: "The quick brown fox jumps over the lazy dog." This sentence is often used to test typewriters or keyboards.
10、下面这个句子就包含所有26个字母“The quick brown fox jumps over the lazy dog.”(敏捷的棕色狐狸跳过了懒狗),这个句子也常被用来测试打字机或键盘。

11. The word "alphabet" comes from the first two letters of the Greek alphabet: alpha, bēta.

12. In English, the @ symbol is usually called "the at sign" or "the at symbol".

13. The shortest complete sentence in English is the following. "I am."
13、英语里最短的完整句子是“I am”。

14. The word "Checkmate" in chess comes from the Persian phrase "Shah Mat" meaning "the king is helpless".
14、象棋里“将军”这个词来源于波斯语“Shah Mat”,意思是“国王束手无策”。

15. The longest English word without a true vowel is "rhythm".

16. The only planet not named after a god is our own, Earth.

17.We can find 10 words in the 7-letter word "therein" without rearranging any of its letters: the, there, he, in, rein, her, here, ere, therein, herein.
17、从“therein”这个由七个字母组成的单词里,能不换字母顺序而找出十个单词:the, there, he, in, rein, her, here, ere, therein, herein.

18.The "QWERTY keyboard" gains its name from the fact that its first 6 letter keys are Q, W, E, R, T and Y. On early typewriters the keys were arranged in such a way as to minimize the clashing of the mechanical rods that carried the letters.