| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [not/n't] be [vb pp] | 544 |
|
| 2 | he must be [vb pp] | 92 |
|
| 3 | he [not/n't] be [vb pp] | 23 |
|
| 4 | he must [not/n't] be | 15 |
|
