Lesson 1a: Variations
| Keyword | Root | Plural | Past | LY | ING | R |
| bet | bet | bets | betting | |||
| let | let | lets | letting | |||
| pet | pet | pets | petting | |||
| bid | bid | bids | bidding | |||
| lid | lid | lids | ||||
| bat | bat | bats | batted | batting | batter | |
| pat | pat | pats | patted | patting | ||
| bed | bed | beds | bedding | |||
| led | lead | led | ||||
| bit | bit | bits | bit | bitting | ||
| lit | lit | lit | lighting | lighter |