| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] at a | 264 |
|
| 2 | it [vb past] [adv] a | 246 |
|
| 3 | it [vb past] [adv] at | 97 |
|
| 4 | it [vb past] at a | 20 |
|
| 5 | it [adv] at a | 11 |
|
