| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [adv] [vb pp] if | 18 |
|
| 2 | could be [adv] [verb] if | 18 |
|
| 3 | could be [adv] [verb] if | 18 |
|
| 4 | could be [adv] [verb] if | 18 |
|
