| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must be [vb pp] that | 589 |
|
| 2 | [pron] must not be [vb pp] | 142 |
|
| 3 | must not be [vb pp] that | 29 |
|
| 4 | [pron] not be [vb pp] that | 10 |
|
