| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [adv] [vb pp] at [adv] | 7 |
|
| 2 | who have [adv] [vb pp] at least | 7 |
|
| 3 | who have [adv] [vb pp] at [adv] | 6 |
|
