| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [verb] to be | 814 |
|
| 2 | [pron] happen to be | 565 |
|
| 3 | [Wh pn] happen [prep] be | 118 |
|
| 4 | [Wh pn] happen to be | 118 |
|
| 5 | [Wh pn] happen to [be] | 118 |
|
| 6 | [Wh pn] happen to [be] | 118 |
|
