could - ability (1st person I and We) - Active Usage - Part 024 years ago

15:36

could - ability (questioning other's ability) - Active Usage - Part 014 years ago

18:38

could - ability (questioning other's ability) - Active Usage - Part 024 years ago

18:38

could - ability (questioning other's ability) Active Usage - Part 034 years ago

18:59

could - Permission (1st person I and We)4 years ago

10:26

could - requesting others to do something for you4 years ago

11:30

could - giving suggestions4 years ago

12:39

could - possible4 years ago

13:01

could be plus past participle (both positive and negative) - Passive Usage - Part 014 years ago

16:18

could be plus past participle (both positive and negative) - Passive Usage - Part 024 years ago

16:10