| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [verb] been [prep] | 130 |
|
| 2 | [vb mod] [adv] [verb] been [prep] | 130 |
|
| 3 | could [adv] [verb] been [prep] | 34 |
|
| 4 | could [adv] [verb] be [prep] | 16 |
|
| 5 | could [adv] [verb] [be] [prep] | 16 |
|
| 6 | could [adv] [verb] [been] [prep] | 15 |
|
| 7 | could [adv] [verb] been [prep] | 15 |
|
| 8 | could [adv] [verb] been [prep] | 15 |
|
