The final e is retained when it is necessary to prevent a change of pronunciation, or to maintain the identity of a word.
hoe'ing shoe'ing change'a ble toe'ing singe'ing trace'able tinge'ing dye'ing peace'a ble foe'man blue'ness charge'a ble
Lesson 141.
Ed, as a suffix, generally signifies did. In words like the following the e in ed is silent, and the wards, though of two and three syllables, are pronounced in one and two.
blazed wedged boiled be reaved drained solved coiled be sieged' hailed called soiled blas phemed' lamed hauled bowed ac quired' paved mauled crowned con trol1ed' stowed warmed plowed a bused' saved warned roused ac cused' feared warped scoured com muned' flowed proved soured con fused' glued shoved dodged de coyed' begged loved filled en joyed'
Lesson 142.
In words like the following, ed is pronounced as t; and, although of two and three syllables, the words are pronounced in one and two.
graced fixed es caped' at tacked' scraped mixed em braced' con fessed' cracked boxed en grossed' op pressed'
In other words formed by the affix ed, the last letter is doubled in words of one syllable, or in words accented on the last syllable, when they end with a single consonant preceded by a single vowel; as, wed, wed'ded. If the word ends in any other consonant than d or t, the e in ed becomes silent, and the two syllables become one; as, hem, hemmed, pronounced hemd.
jut'ted shunned com pelled o mit'ted fret'ted tapped e quipped' im bed'ded fit'ted rubbed de murred' com mit'ted