| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh pn] happened to [be] | 20 |
|
| 2 | [noun] [adv] happened to [be] | 10 |
|
| 3 | [Wh pn] [adv] happened to [be] | 9 |
|
| 4 | [noun] [Wh pn] [adv] happened to | 6 |
|
