| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [be] | 9041 |
|
| 2 | i [vb mod] [be] | 8503 |
|
| 3 | i [modal v] [be] | 8503 |
|
| 4 | [pers pn] must [be] | 6503 |
|
| 5 | i must [be] | 318 |
|
| 6 | i must [be] | 316 |
|
