Lesson 15d: Variations
| Keyword | Root | Plural | Past | LY | ING | R |
| brain | brain | brains | ||||
| drain | drain | drains | drained | draining | drainer | |
| grain | grain | grains | grained | graining | grainer | |
| brake | brake | brakes | braked | braking | ||
| drake | drake | drakes | ||||
| cram | cram | crams | crammed | cramming | ||
| gram | gram | grams | ||||
| frame | frame | frames | framed | framing | framer | |
| bran | bran | |||||
| crane | crane | cranes | craned | craning | ||
| drape | drape | drapes | draped | draping | draper | |
| grape | grape | grapes |