| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] must be [verb] [prep] | 2136 |
|
| 2 | [pers pn] must be [verb] [prep] | 573 |
|
| 3 | [noun sg] [pers pn] must be [verb] | 125 |
|
| 4 | [noun sg] [pers pn] must [verb] [prep] | 125 |
|
| 5 | [noun sg] [pers pn] must be [prep] | 17 |
|
