| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] this could [be] [verb] | 9 |
|
| 2 | [adv] this could [be] [vb pp] | 9 |
|
| 3 | [adv] this could be [verb] | 9 |
|
| 4 | [adv] this could [be] [verb] | 9 |
|
| 5 | [adv] this could be [verb] | 9 |
|
