| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] must be [vb pp] [prep] | 2100 |
|
| 2 | must [not/n't] be [vb pp] [prep] | 184 |
|
| 3 | [noun sg] must [not/n't] be [vb pp] | 177 |
|
| 4 | [noun sg] must [not/n't] be [prep] | 7 |
|
| 5 | [noun sg] [not/n't] be [vb pp] [prep] | 6 |
|
