Learn past simple tense formation and usage
Rule: Add -ed to base form
• work → worked
• play → played
• study → studied
Rule: Learn special forms
• go → went
• see → saw
• have → had
1. Most verbs: add -ed
walk → walked, talk → talked
2. Verbs ending in -e: add -d
live → lived, dance → danced
3. Verbs ending in consonant + y: change y to i, add -ed
study → studied, try → tried
4. One syllable verbs ending in consonant-vowel-consonant: double final consonant, add -ed
stop → stopped, plan → planned