| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] what [vb -s] happen be | 9 |
|
| 2 | [coord] [Wh det] [vb -s] happen is | 8 |
|
| 3 | [coord] [Wh det] [vb -s] happened be | 7 |
|
| 4 | and [Wh det] [vb -s] happen be | 6 |
|
