| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] happened to him | 10 |
|
| 2 | [verb] [adv] happened to him | 10 |
|
| 3 | had [adv] happened to him | 9 |
|
| 4 | [vb past] [adv] happened to him | 9 |
|
