| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] happen is | 53 |
|
| 2 | [vb mod] happen [is] | 52 |
|
| 3 | will happen [is] | 23 |
|
| 4 | can happen [is] | 9 |
|
| 5 | would happen [is] | 6 |
|
