| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] to be | 1421 |
|
| 2 | [pron] happen to be | 565 |
|
| 3 | which happen to [be] | 52 |
|
| 4 | which happen [prep] be | 52 |
|
| 5 | which happen to be | 52 |
|
| 6 | which happen [prep] be | 52 |
|
