[]→si: vision, occasion,
s: pleasure, measure
g: fouge, garage
[]→ch: cheese, lunch
t: nature, situation
tch: match, catch
[]→g(在i, e, y之前)gentle, giant
j: just, enjoy
age: bridge, judge
d: graduation, education
[h]→h: hat, ham
wh: who, whom, whose
[n]→n: can, nest
nn: runner, dinner
kn: knife, sign
[]→n（在k之后）：pink, think
ng: ring, song
※：ng发[ng]的音有finger, kangaroo
[j]→y: yellow, you
i:onion
子音字母省略不发音的情况：
b→在t或m前不发音：debt, thumb
c→ck的c不发音：pick, lick
偶尔在s之后不发音：scene
g→在n之前不发音：gnash, degign
gh→在t之前不发音：bought, caught
h→在r或ki之后不发音：rhyme, khaki
→和母音同时出现在字尾：ho, hurrah
→偶尔在子音和费重音节母音之间不发音：shepherd
→偶尔在字首不发音：hour, honor
→在ex之后，exhaust
k→和n同时出现在字首时不发音：know, knee
l→在alk, alm, alf中不发音：talk, calm, half
→在ould中不发音：should, could
n→和m同时出现时不发音：autumn, column
p→在n, s, t之前不发音：psychology
s→偶尔在i之后不发音：island, aisle
→在Arkansas字尾的s: Arkansas
t→sten及-stle中的t不发音：fasten, castle
→源自法国字的t不发音：depot, ballet
u→偶尔在g和q之后不发音：guard
w→和r同时出现在字首时不发音：write, wrong
→在某些单字中不发音：two, answer, sword
