| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [be] [verb] that | 604 |
|
| 2 | could [adv] [be] [verb] [conj] | 300 |
|
| 3 | could [adv] [be] [verb] that | 86 |
|
| 4 | could [adv] [be] [verb] that | 61 |
|
