Sam could ski twice a week last year, didn't he? Who could ski twice a week last year? Could Sam ski twice a week last year? When could Sam ski twice a week? Could Sam ski or skate twice a week last year? How often could Sam ski last year? What could Sam do twice a week last year?
Who could ski twice a week last year?
Could Sam ski twice a week last year?
When could Sam ski twice a week?
Could Sam ski or skate twice a week last year?
How often could Sam ski last year?
What could Sam do twice a week last year?