| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happen [is] [prep] | 19 |
|
| 2 | happen is [prep] | 19 |
|
| 3 | happen [is] by | 5 |
|
| 4 | happen [is] by | 5 |
|
| 5 | happen [is] for | 5 |
|
| 6 | happen [is] [prep] | 5 |
|
| 7 | happens [is] [prep] | 5 |
|
| 8 | happen [is] for | 5 |
|
