| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] not be | 811 |
|
| 2 | [modal v] not be [prep] | 658 |
|
| 3 | which [modal v] be [prep] | 367 |
|
| 4 | which [modal v] not [prep] | 14 |
|
