英文中有些单词，读起来和拼起来也许并不完全一样，有很多字母在单词中并不发音，我们称之为"silent letters"。而同学们拼写单词的时候，经常会忘记它们。今天为大家总结一下这些给我们单词拼写造成困难的东西，明白了这些套路，你的英文拼写会更上一层楼~

　　Let's take a look at some rules for silentletters:

　　1. The letter B is usually silent when used after theletter M and also before the letter T.

　　· Examples before M: Jamb, Lamb, Comb,Tomb

　　· Examples before T: Subtle, Doubt

　　(M 和 T 前面的字母B不发音)

　　2. The letter C is silent when used before the letter Zand sometimes when used before the letter L and the letter K.

　　· Examples before Z: Tzar, Czarina,Czechoslovakia

　　· Example before L: Muscle

　　· Examples before K: Block, Puck

　　(Z，L 和 K 前面的字母C不发音)

　　3. The letter D issilent when it appears before the letter N and then also before the letter G.

　　· Example before N: Wednesday

　　· Example before G: Cadge bridge fridge

　　(N和G前面的字母D不发音)

　　4. Let's look at the letter E.

　　· If E happens to be at the end of aword, it is generally not pronounced.

　　Examples: Able, Challenge, Bible

　　· If E happens to occur right before theletter D in simple past tense or past participle forms of verbs, E maysometimes not be pronounced.

　　Examples: Smuggled, Dragged, Chained

　　(字母E在开音节中不发音，ed组合时，前方没有t 和d也不发音。)

　　5. The letter G is silent when it is used before theletters M, N and L.

　　· Examples before N: Deign, Reign

　　· Example before M: Diaphragm

　　· Example before L: Intaglio

　　(N，M 和 L前的字母G不发音)

　　6. The letter H is often silent when it precedes theletters E and O, and when it follows the letters G, R and T.

　　· Examples before A, E, I and O:Hallelujah, Honest, Historical

　　· Examples after G: Ghost, Ghirken

　　· Example after R: Myrrh

　　· Example after T: Isthmus

　　(G，R和T后面的字母H不发音)

　　7. The letter K is always silent when it precedes theletter N.

　　· Examples: Know, Knock, Knife, Knight

　　(Kn组合中K不发音)

　　8. The letter W is always silent when it precedes theletter R.

　　· Examples: write wrist wrong wrap

　　(Wr组合中的w不发音)

　　9. The letter P is always silent when it precedes theletter S.

　　· Examples: psalm psychic psychology psychiatry

　　(Ps组合中的P不发音)

（编辑：何莹莹）