| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must be [prep] [be] | 6 |
|
| 2 | [pron] must [be] [prep] be | 6 |
|
| 3 | [pron] must [be] [prep] [be] | 6 |
|
| 4 | [pron] must [be] to [be] | 6 |
|
| 5 | [pron] must [be] to [be] | 6 |
|
| 6 | it must [be] [prep] [be] | 5 |
|
| 7 | it must [be] [prep] [be] | 5 |
|
| 8 | [pers pn] must [be] [prep] [be] | 5 |
|
