| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [vb pp] at | 1826 |
|
| 2 | [vb past] [vb pp] that | 745 |
|
| 3 | [vb pp] at that | 340 |
|
| 4 | [vb past] at that | 246 |
|
