| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] [adv] if | 36 |
|
| 2 | could be [vb pp] [adv] if | 36 |
|
| 3 | could be [verb] [adv] if | 26 |
|
| 4 | could be [verb] only if | 14 |
|
| 5 | could be [verb] only if | 14 |
|
| 6 | could be [verb] [adv prt] if | 10 |
|
