How it works
The three sounds of ed are t, d and id: jumped, played, wanted. The spelling is -ed every time, so the ear has to do the sorting. Here are 72 words, two lists for each sound.
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The 3 sounds of ed word list, sound by sound
Lists 1 and 2 end in the t sound: jumped, laughed, hopped, hiked. Lists 3 and 4 end in the d sound: played, answered, hummed, hurried. Lists 5 and 6 add a syllable, id: wanted after t, added after d. In Lists 2 and 4 the base word changes: a doubled letter, a dropped e, or y turned to i.
Which sound -ed makes
Go by the last sound of the base word. After t or d, -ed says id: want, wanted. After a voiceless sound such as p, k, f, s, sh or ch it says t: jump, jumped. After anything else, vowels included, it says d: play, played.
- Clap the beats: jumped and played have one, wanted has two.
Questions and answers
Why are learned, spelled and dreamed missing?
Each has a second past form in the dictionary: learnt, spelt, dreamt. Burned, smelled and spilled do too. A word with two right answers is left off a spelling list.
Why does -ed say id in wicked and jagged?
Those are describing words, not past tenses. A few of them have two syllables where the rule would give one: wicked, jagged, crooked, rugged. The dictionary lists each that way, and none is on these lists.
Which -ed words sound like another word?
Passed and past, missed and mist, guessed and guest, allowed and aloud. Pairs like these are left off, so the listener is never asked to choose between two spellings.