| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must be [prep] [adj] [noun sg] | 14 |
|
| 2 | it must [be] [prep] [adj] [noun sg] | 8 |
|
| 3 | [pers pn] must [be] in [adj] [noun sg] | 5 |
|
| 4 | [pers pn] must [be] of [adj] [noun sg] | 5 |
|
