She could run very fast when she was ten.”, ability, possibility, permission, Can I sit here?, possibility, permission, ability, It could snow tonight., ability, possibility, He could read when he was five, ability, permission, Can we leave the classroom now?, permission, possibility, This exercise can be difficult, ability, possibility, Could I ask you a question?, polite permission, ability, possibility, She can speak three languages, ability, possibility, permission, They could be late today, permission, possibility, polite ability, When I was a child, I could climb trees, ability, permission, possibility, You can use your phone after the lesson, possibility, permission, ability, He could not swim last year, ability, possibility, permission, It can be very cold here in winter, ability, possibility, permission

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