| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not use | 554 |
|
| 2 | [modal v] use [pos pn] | 328 |
|
| 3 | not use [pos pn] | 110 |
|
| 4 | [modal v] not [pos pn] | 51 |
|
