| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happen be [prep] | 29 |
|
| 2 | happen [be] [prep] | 29 |
|
| 3 | happen is [prep] | 19 |
|
| 4 | happen [is] [prep] | 19 |
|
| 5 | happen [be] [prep] | 8 |
|
| 6 | happen [be] by | 7 |
|
| 7 | happen [be] by | 7 |
|
| 8 | happen [was/were] [prep] | 7 |
|
| 9 | happen [be] for | 7 |
|
| 10 | happen [be] for | 7 |
|
| 11 | happen was [prep] | 7 |
|
| 12 | happens [be] [prep] | 5 |
|
| 13 | to happen [be] [prep] | 5 |
|
