| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] he happened to [be] | 10 |
|
| 2 | [subord] he happened to [be] | 9 |
|
| 3 | he [adv] happened to [be] | 5 |
|
| 4 | he [adv] happened to [be] | 5 |
|
| 5 | he happened to [be] [verb] | 6 |
|
