Related Clues:
- Conjugating categories
- They can be imperfect
- Categories of verbs
- Past, present, etc.
- Gets uptight
- Becomes slippery, in a way
- Grammar concerns
- They vary from past to present
- Present and future, for two
- Past, present and future contracts?
- Will might change them
- What verb endings indicate
- Language lesson subject
- Reacts to trouble
- Perfect and then some?