| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [adv] happen to be | 20 |
|
| 2 | [Wh det] [adv] happens to be | 13 |
|
| 3 | [Wh det] just happen to be | 10 |
|
| 4 | [Wh det] also happen to be | 8 |
|
| 5 | [Wh det] [adv] happened to be | 6 |
|
