| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [verb] a | 17281 |
|
| 2 | who [verb] a | 5599 |
|
| 3 | who [vb -s] [verb] | 4816 |
|
| 4 | who [vb -s] a | 1334 |
|
