| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which happen to be [art] | 13 |
|
| 2 | [Wh det] happen to be [art] | 13 |
|
| 3 | [Wh det] happens to be [art] | 8 |
|
| 4 | [Wh det] happen to be a | 6 |
|
| 5 | [Wh det] happen to be the | 5 |
|
