| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] a | 28724 |
|
| 2 | [vb past] [prep] [det] | 11403 |
|
| 3 | [prep] a [det] | 8648 |
|
| 4 | [vb past] a [det] | 1542 |
|
