Could - A2

GRAMMAR EXERCICES: 

- Polite requests - English Grammar Lessons
- Polite requests - ESL Lounge
- Polite requests - First-English.org (1)
- Polite requests - First-English.org (2)
- Ability - Can or could? - Bon's tips
- Conditional of can - First-English.org
- Could or couldn't - English Exercises
- Ability or possibility - Can / Can't / Could / Couldn't - English Exercises