| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] happen to | 14 |
|
| 2 | [be] [adv] happening to | 11 |
|
| 3 | [was/were] [adv] happen to | 10 |
|
| 4 | was [adv] happen to | 9 |
|
