| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [adv] [verb] if | 150 |
|
| 2 | could be [adv] [verb] [conj] | 85 |
|
| 3 | could [be] [adv] [verb] if | 18 |
|
| 4 | could be [adv] [verb] if | 18 |
|
