| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [verb] a | 621 |
|
| 2 | [vb past] [verb] a [n mass] | 185 |
|
| 3 | who [verb] a [n mass] | 58 |
|
| 4 | who [vb past] a [n mass] | 38 |
|
| 5 | who [vb past] [verb] [n mass] | 31 |
|
