| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] [adv] [conj] | 2348 |
|
| 2 | could be [verb] [adv] [conj] | 229 |
|
| 3 | could be [vb pp] [adv] [conj] | 224 |
|
| 4 | could [be] [vb pp] [adv] [conj] | 224 |
|
| 5 | could [be] [vb pp] [adv] [conj] | 224 |
|
