Sort each tense change
Exercise and reference answers
- Items
- Item
- Present to past
- Category
- Shifts back
- Item
- Perfect goes back
- Category
- Shifts back
- Item
- Universal truth
- Category
- Stays put
- Item
- Air is a gas
- Category
- Stays put
- Item
- That to infinitive
- Category
- Changes form
- Item
- That omitted
- Category
- Changes form
- Categories
- Item
- Shifts back
- Item
- Stays put
- Item
- Changes form
- Instructions
- Tap an item, then tap the box it belongs in.
Explanation
_Source: Kittredge, An Advanced English Grammar with Exercises (Project Gutenberg)_