| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [det] [noun] of | 199 |
|
| 2 | must [verb] [det] [noun] of | 79 |
|
| 3 | must [verb] been [det] [noun] | 50 |
|
| 4 | must [verb] been [noun] of | 12 |
|
