Inflectional ending ed

Play has a long vowel ay so y doesn't need to be doubled before adding ed. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

In Jump, there are two consonants following my short vowel so no doubling needs to take place. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

Dropped needs a double p because it has a short vowel o, and one consonant after the vowel. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

Pushed does not need a doubled consonant because while it has a short vowel, it has two consonants after the vowel. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

Rushed doesn't need a consonant to be doubled because while it has a short u, it has two consonants after the short vowel. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

Washed has two consonants after the vowel therefore it does not require doubling. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

In the word spray the ay makes the long vowel sound. For that reason, the word does not need a double consonant. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

Fill already has two consonants after the short vowel so it doesn't not need to be doubled. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

In rain, the ai makes the long vowel sound for a, therefore it doesn't need to be doubled. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.

Painted has long a sound and does not need to be doubled. Painted also has two consonants after the vowel sound which would prevent any doubling. We always add -ed to mark regular past tense even when the root word changes the sound to /t/, /d/, or /id/.