| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happen to be | 1101 |
|
| 2 | happen to [be] | 1101 |
|
| 3 | happened to [be] | 441 |
|
| 4 | happens to [be] | 368 |
|
| 5 | happen to [be] | 243 |
|
| 6 | happen to [be] | 34 |
|
| 7 | happened to [be] | 13 |
|
