| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be happening to | 390 |
|
| 2 | was happen to | 156 |
|
| 3 | is happen to | 110 |
|
| 4 | 's happen to | 92 |
|
| 5 | been happen to | 23 |
|
| 6 | be to happen to | 21 |
|
| 7 | be happen to | 19 |
|
| 8 | were happen to | 11 |
|
| 9 | are happen to | 5 |
|
