| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] once | 3797 |
|
| 2 | seen [adv] | 2633 |
|
| 3 | seen [adv] | 2129 |
|
| 4 | [vb pp] once | 728 |
|
| 5 | see once | 32 |
|
| 6 | seen once | 17 |
|
