| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] happened [prep] be | 74 |
|
| 2 | [adv] happened to be | 74 |
|
| 3 | [adv] happened to be | 74 |
|
| 4 | [adv] happened [prep] be | 74 |
|
| 5 | just happened [prep] be | 53 |
|
| 6 | also happened [prep] be | 11 |
|
