| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i happen [prep] | 96 |
|
| 2 | i happen [prep] | 95 |
|
| 3 | i happen to | 91 |
|
| 4 | i happen to | 91 |
|
| 5 | i happened [prep] | 48 |
|
| 6 | i happen [prep] | 46 |
|
