| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pron] happen to [be] [v-ing] | 8 |
|
| 2 | [coord] [pron] happen to be [verb] | 8 |
|
| 3 | [coord] [pers pn] happen to [be] [verb] | 7 |
|
| 4 | and [pron] happen to [be] [verb] | 6 |
|
| 5 | [coord] [pron] happened to [be] [verb] | 5 |
|
