| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [prep] a | 1617 |
|
| 2 | i [vb past] [prep] [num] | 438 |
|
| 3 | [vb past] [prep] a [num] | 320 |
|
| 4 | i [vb past] a [num] | 85 |
|
