| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must be [vb pp] that | 589 |
|
| 2 | [pron] must [adv] be [vb pp] | 419 |
|
| 3 | must [adv] be [vb pp] that | 106 |
|
| 4 | [pron] [adv] be [vb pp] that | 15 |
|
