| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [adv] [verb] [det] [noun] | 69 |
|
| 2 | [adv] [verb] been [det] [noun] | 52 |
|
| 3 | must [verb] been [det] [noun] | 50 |
|
| 4 | must [adv] [verb] been [det] | 6 |
|
| 5 | must [adv] [verb] been [noun] | 5 |
|
