| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] must [be] | 3261 |
|
| 2 | must [be] [det] | 448 |
|
| 3 | [noun pl] must [det] | 14 |
|
| 4 | [noun pl] [be] [det] | 12 |
|
