| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [vb past] a | 9168 |
|
| 2 | [conj] [vb past] at | 2876 |
|
| 3 | [vb past] at a | 973 |
|
| 4 | [conj] at a | 759 |
|
