| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] [prep] a | 1319 |
|
| 2 | who [vb past] [prep] a | 786 |
|
| 3 | [pron] sat [prep] a | 240 |
|
| 4 | who sat [prep] [art] | 54 |
|
| 5 | who sit [prep] a | 17 |
|
| 6 | who sat [prep] a | 13 |
|
