| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [adv] [modal v] | 282 |
|
| 2 | [adv] [modal v] to | 236 |
|
| 3 | who [modal v] to | 69 |
|
| 4 | who [adv] to | 9 |
|
