| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he happened to be | 20 |
|
| 2 | he happened to [be] | 20 |
|
| 3 | he happened to be | 20 |
|
| 4 | he happened to [be] | 20 |
|
| 5 | he happened to [be] | 19 |
|
