What are the rules for adding ed to a verb?

Answer 1

We add -ed to a verb to make the past and past participle forms. This is true for regular verbs.

eg wait -- waited, ask --- asked

If the word ends in -e then just add -d eg love -- loved

If the word ends in single vowel + consonant then double the consonant eg rub -- rubbed, stop -- stopped

If the word is 2 or 3 syllables and the stress is on the last syllable then double the final consonant eg occur -- occured, admit -- admitted

If the word is 2 or 3 syllables and the stress is on the first syllable then don't double the final consonant eg enter -- entered, develop -- developed

If the word ends in -y then the -y changes to i then add -ed. eg cry -- cried, carry -- carried

Answer 2

Typically, you add "ed" to a verb to show that an action happened in the past. However, there are irregular verbs that don't follow this rule, so it's important to memorize them. Additionally, when adding "ed," you may need to double the final consonant of the verb if it follows a specific pattern (vowel-consonant-vowel) in order to keep the pronunciation consistent.