| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] [verb] been [prep] | 130 |
|
| 2 | [modal v] [adv] [verb] been [prep] | 130 |
|
| 3 | must [adv] [verb] [been] [prep] | 11 |
|
| 4 | must [adv] [verb] [be] [prep] | 11 |
|
| 5 | must [adv] [verb] been [prep] | 11 |
|
| 6 | must [adv] [verb] been [prep] | 11 |
|
| 7 | must [adv] [verb] be [prep] | 11 |
|
| 8 | must [adv] [verb] been [prep] | 11 |
|
