| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at least six [noun pl] | 170 |
|
| 2 | at [adv] six months | 73 |
|
| 3 | at [adv] six weeks | 21 |
|
| 4 | at [adv] six years | 10 |
|
| 5 | at [adv] six hours | 10 |
|
| 6 | at [adv] six inches | 8 |
|
| 7 | at [adv] six feet | 6 |
|
| 8 | at [adv] six times | 6 |
|
