| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only [verb] if | 229 |
|
| 2 | only [vb infin] if | 122 |
|
| 3 | [adv] happen if | 24 |
|
| 4 | only happen [conj] | 18 |
|
| 5 | only happen [subord] | 18 |
|
| 6 | [adv] happen if | 15 |
|
| 7 | only happen if | 14 |
|
| 8 | only happen if | 12 |
|
| 9 | only happen if | 12 |
|
